{ "instance": { "abg201910-k.htm": { "axisCustom": 5, "axisStandard": 29, "contextCount": 308, "dts": { "calculationLink": { "local": [ "abg-20191231_cal.xml" ] }, "definitionLink": { "local": [ "abg-20191231_def.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml" ] }, "inline": { "local": [ "abg201910-k.htm" ] }, "labelLink": { "local": [ "abg-20191231_lab.xml" ], "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-doc-2019-01-31.xml", "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-doc-2019-01-31.xml" ] }, "presentationLink": { "local": [ "abg-20191231_pre.xml" ] }, "referenceLink": { "remote": [ "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-ref-2019-01-31.xml", "http://xbrl.fasb.org/srt/2019/elts/srt-ref-2019-01-31.xml", "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml" ] }, "schema": { "local": [ "abg-20191231.xsd" ], "remote": [ "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd", "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd", "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd", "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd", "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd", "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd", "https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd", "http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd", "http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd", "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd", "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "http://xbrl.fasb.org/us-gaap/2019/elts/us-parts-codification-2019-01-31.xsd", "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd" ] } }, "elementCount": 822, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2019-01-31": 40, "http://www.asburyauto.com/20191231": 8, "http://xbrl.sec.gov/dei/2019-01-31": 5, "total": 53 }, "keyCustom": 141, "keyStandard": 459, "memberCustom": 59, "memberStandard": 42, "nsprefix": "abg", "nsuri": "http://www.asburyauto.com/20191231", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "0001000 - Document - Cover Page", "role": "http://www.asburyauto.com/role/CoverPage", "shortName": "Cover Page", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2102100 - Disclosure - REVENUE RECOGNITION", "role": "http://www.asburyauto.com/role/RevenueRecognition", "shortName": "REVENUE RECOGNITION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R100": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseInterestExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418405 - Disclosure - LEASES (Cost) (Details)", "role": "http://www.asburyauto.com/role/LeasesCostDetails", "shortName": "LEASES (Cost) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseInterestExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R101": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseInterestPaymentOnLiability", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418406 - Disclosure - LEASES (Other Information) (Details)", "role": "http://www.asburyauto.com/role/LeasesOtherInformationDetails", "shortName": "LEASES (Other Information) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseInterestPaymentOnLiability", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R102": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418407 - Disclosure - LEASES (Liabilities) (Details)", "role": "http://www.asburyauto.com/role/LeasesLiabilitiesDetails", "shortName": "LEASES (Liabilities) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R103": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2018Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LeaseAndRentalExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2419402 - Disclosure - LEASE OBLIGATIONS (Narrative) (Details)", "role": "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails", "shortName": "LEASE OBLIGATIONS (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2018Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LeaseAndRentalExpense", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R104": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CapitalLeasesFutureMinimumPaymentsDueCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2419403 - Disclosure - LEASE OBLIGATIONS (Schedule of Minimum Lease Payments) (Details)", "role": "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails", "shortName": "LEASE OBLIGATIONS (Schedule of Minimum Lease Payments) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CapitalLeasesFutureMinimumPaymentsDueCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R105": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_GuaranteeObligationsMember", "decimals": "-5", "first": true, "lang": null, "name": "abg:AmountOfSuretyBondLineMaintained", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2420401 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)", "role": "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "shortName": "COMMITMENTS AND CONTINGENCIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_GuaranteeObligationsMember", "decimals": "-5", "first": true, "lang": null, "name": "abg:AmountOfSuretyBondLineMaintained", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R106": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "abg:SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofInstrumentsProvidedforGrant", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421402 - Disclosure - SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Share-based Compensation) (Details)", "role": "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails", "shortName": "SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Share-based Compensation) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "abg:SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofInstrumentsProvidedforGrant", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R107": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember", "decimals": "2", "first": true, "lang": null, "name": "abg:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsMaximumPercentofTargetEarned", "reportCount": 1, "unique": true, "unitRef": "ratio", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421403 - Disclosure - SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Schedule of Performance Share Units) (Details)", "role": "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "shortName": "SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Schedule of Performance Share Units) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember", "decimals": "2", "first": true, "lang": null, "name": "abg:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsMaximumPercentofTargetEarned", "reportCount": 1, "unique": true, "unitRef": "ratio", "xsiNil": "false" } }, "R108": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2018Q4_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockMember", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "reportCount": 1, "unitRef": "shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421404 - Disclosure - SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Schedule of Restricted Stock) (Details)", "role": "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails", "shortName": "SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Schedule of Restricted Stock) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockMember", "decimals": "INF", "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "reportCount": 1, "unique": true, "unitRef": "shares", "xsiNil": "false" } }, "R109": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent", "reportCount": 1, "unique": true, "unitRef": "ratio", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2421405 - Disclosure - SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Employee Benefit Plans) (Details)", "role": "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails", "shortName": "SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Employee Benefit Plans) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent", "reportCount": 1, "unique": true, "unitRef": "ratio", "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:BusinessCombinationandDivestituresDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2103100 - Disclosure - ACQUISITIONS AND DIVESTITURES", "role": "http://www.asburyauto.com/role/AcquisitionsAndDivestitures", "shortName": "ACQUISITIONS AND DIVESTITURES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:BusinessCombinationandDivestituresDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R110": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2422402 - Disclosure - CONDENSED QUARTERLY REVENUES AND EARNINGS (UNAUDITED) (Details)", "role": "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "shortName": "CONDENSED QUARTERLY REVENUES AND EARNINGS (UNAUDITED) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R111": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_CreditFacilityAxis_abg_ReastatedCreditAgreementMember_us-gaap_LineOfCreditFacilityAxis_abg_BankOfAmericaNAMember", "decimals": "-6", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2423401 - Disclosure - SUBSEQUENT EVENTS (Details)", "role": "http://www.asburyauto.com/role/SubsequentEventsDetails", "shortName": "SUBSEQUENT EVENTS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_CreditFacilityAxis_abg_ReastatedCreditAgreementMember_us-gaap_LineOfCreditFacilityAxis_abg_BankOfAmericaNAMember", "decimals": "-6", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2104100 - Disclosure - ACCOUNTS RECEIVABLE", "role": "http://www.asburyauto.com/role/AccountsReceivable", "shortName": "ACCOUNTS RECEIVABLE", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InventoryDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2105100 - Disclosure - INVENTORIES", "role": "http://www.asburyauto.com/role/Inventories", "shortName": "INVENTORIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:InventoryDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:DisclosureOfLongLivedAssetsHeldForSaleDuringPeriodTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2106100 - Disclosure - ASSETS HELD FOR SALE", "role": "http://www.asburyauto.com/role/AssetsHeldForSale", "shortName": "ASSETS HELD FOR SALE", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:DisclosureOfLongLivedAssetsHeldForSaleDuringPeriodTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherCurrentAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2107100 - Disclosure - OTHER CURRENT ASSETS", "role": "http://www.asburyauto.com/role/OtherCurrentAssets", "shortName": "OTHER CURRENT ASSETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherCurrentAssetsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2108100 - Disclosure - PROPERTY AND EQUIPMENT, NET", "role": "http://www.asburyauto.com/role/PropertyAndEquipmentNet", "shortName": "PROPERTY AND EQUIPMENT, NET", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2109100 - Disclosure - GOODWILL AND INTANGIBLE FRANCHISE RIGHTS", "role": "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRights", "shortName": "GOODWILL AND INTANGIBLE FRANCHISE RIGHTS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:FloorPlanNotesPayableTradeTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2110100 - Disclosure - FLOOR PLAN NOTES PAYABLE\u2014TRADE", "role": "http://www.asburyauto.com/role/FloorPlanNotesPayabletrade", "shortName": "FLOOR PLAN NOTES PAYABLE\u2014TRADE", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:FloorPlanNotesPayableTradeTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:FloorPlanNotesPayableNonTradeTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2111100 - Disclosure - FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE", "role": "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTrade", "shortName": "FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:FloorPlanNotesPayableNonTradeTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1001000 - Statement - CONSOLIDATED BALANCE SHEETS", "role": "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "shortName": "CONSOLIDATED BALANCE SHEETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2112100 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED LIABILITIES", "role": "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilities", "shortName": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2113100 - Disclosure - LONG-TERM DEBT", "role": "http://www.asburyauto.com/role/LongTermDebt", "shortName": "LONG-TERM DEBT", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DebtDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativesAndFairValueTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2114100 - Disclosure - FINANCIAL INSTRUMENTS AND FAIR VALUE", "role": "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValue", "shortName": "FINANCIAL INSTRUMENTS AND FAIR VALUE", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DerivativesAndFairValueTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2115100 - Disclosure - INCOME TAXES", "role": "http://www.asburyauto.com/role/IncomeTaxes", "shortName": "INCOME TAXES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2116100 - Disclosure - OTHER LONG-TERM LIABILITIES", "role": "http://www.asburyauto.com/role/OtherLongTermLiabilities", "shortName": "OTHER LONG-TERM LIABILITIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CashFlowSupplementalDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2117100 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION", "role": "http://www.asburyauto.com/role/SupplementalCashFlowInformation", "shortName": "SUPPLEMENTAL CASH FLOW INFORMATION", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CashFlowSupplementalDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "us-gaap:LesseeOperatingLeasesTextBlock", "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeFinanceLeasesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2118100 - Disclosure - LEASES", "role": "http://www.asburyauto.com/role/Leases", "shortName": "LEASES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "us-gaap:LesseeOperatingLeasesTextBlock", "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LesseeFinanceLeasesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LeasesOfLesseeDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2119100 - Disclosure - LEASE OBLIGATIONS", "role": "http://www.asburyauto.com/role/LeaseObligations", "shortName": "LEASE OBLIGATIONS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LeasesOfLesseeDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2120100 - Disclosure - COMMITMENTS AND CONTINGENCIES", "role": "http://www.asburyauto.com/role/CommitmentsAndContingencies", "shortName": "COMMITMENTS AND CONTINGENCIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2121100 - Disclosure - SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS", "role": "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlans", "shortName": "SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CompensationAndEmployeeBenefitPlansTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": null, "groupType": "statement", "isDefault": "false", "longName": "1001501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)", "role": "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical", "shortName": "CONSOLIDATED BALANCE SHEETS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R30": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:QuarterlyFinancialInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2122100 - Disclosure - CONDENSED QUARTERLY REVENUES AND EARNINGS (UNAUDITED)", "role": "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnaudited", "shortName": "CONDENSED QUARTERLY REVENUES AND EARNINGS (UNAUDITED)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:QuarterlyFinancialInformationTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2123100 - Disclosure - SUBSEQUENT EVENTS", "role": "http://www.asburyauto.com/role/SubsequentEvents", "shortName": "SUBSEQUENT EVENTS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2201201 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)", "role": "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies", "shortName": "DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "span", "div", "us-gaap:PropertyPlantAndEquipmentPolicyTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2301302 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)", "role": "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables", "shortName": "DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "lang": "en-US", "name": "abg:ScheduleOfRevenueByMajorBrandTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2302301 - Disclosure - REVENUE RECOGNITION (Tables)", "role": "http://www.asburyauto.com/role/RevenueRecognitionTables", "shortName": "REVENUE RECOGNITION (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2303301 - Disclosure - ACQUISITIONS AND DIVESTITURES (Tables)", "role": "http://www.asburyauto.com/role/AcquisitionsAndDivestituresTables", "shortName": "ACQUISITIONS AND DIVESTITURES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2304301 - Disclosure - ACCOUNTS RECEIVABLE ACCOUNTS RECEIVABLE (Tables)", "role": "http://www.asburyauto.com/role/AccountsReceivableAccountsReceivableTables", "shortName": "ACCOUNTS RECEIVABLE ACCOUNTS RECEIVABLE (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2305301 - Disclosure - INVENTORIES (Tables)", "role": "http://www.asburyauto.com/role/InventoriesTables", "shortName": "INVENTORIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:SummaryofAssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSaleTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2306301 - Disclosure - ASSETS HELD FOR SALE (Tables)", "role": "http://www.asburyauto.com/role/AssetsHeldForSaleTables", "shortName": "ASSETS HELD FOR SALE (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:SummaryofAssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSaleTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherCurrentAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2307301 - Disclosure - OTHER CURRENT ASSETS (Tables)", "role": "http://www.asburyauto.com/role/OtherCurrentAssetsTables", "shortName": "OTHER CURRENT ASSETS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherCurrentAssetsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "abg:NewVehicleRevenue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1002000 - Statement - CONSOLIDATED STATEMENTS OF INCOME", "role": "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome", "shortName": "CONSOLIDATED STATEMENTS OF INCOME", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "abg:NewVehicleRevenue", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "span", "div", "us-gaap:PropertyPlantAndEquipmentPolicyTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2308301 - Disclosure - PROPERTY AND EQUIPMENT, NET (Tables)", "role": "http://www.asburyauto.com/role/PropertyAndEquipmentNetTables", "shortName": "PROPERTY AND EQUIPMENT, NET (Tables)", "subGroupType": "tables", "uniqueAnchor": null }, "R41": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2309301 - Disclosure - GOODWILL AND INTANGIBLE FRANCHISE RIGHTS (Tables)", "role": "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsTables", "shortName": "GOODWILL AND INTANGIBLE FRANCHISE RIGHTS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:FloorPlanNotesPayableTradeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2310301 - Disclosure - FLOOR PLAN NOTES PAYABLE\u2014TRADE (Tables)", "role": "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeTables", "shortName": "FLOOR PLAN NOTES PAYABLE\u2014TRADE (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:FloorPlanNotesPayableTradeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:FloorPlanNotesPayableNonTradeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2311301 - Disclosure - FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE (Tables)", "role": "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeTables", "shortName": "FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:FloorPlanNotesPayableNonTradeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2312301 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Tables)", "role": "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesTables", "shortName": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2313301 - Disclosure - LONG-TERM DEBT (Tables)", "role": "http://www.asburyauto.com/role/LongTermDebtTables", "shortName": "LONG-TERM DEBT (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2314301 - Disclosure - FINANCIAL INSTRUMENTS AND FAIR VALUE (Tables)", "role": "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueTables", "shortName": "FINANCIAL INSTRUMENTS AND FAIR VALUE (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2315301 - Disclosure - INCOME TAXES (Tables)", "role": "http://www.asburyauto.com/role/IncomeTaxesTables", "shortName": "INCOME TAXES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2316301 - Disclosure - OTHER LONG-TERM LIABILITIES (Tables)", "role": "http://www.asburyauto.com/role/OtherLongTermLiabilitiesTables", "shortName": "OTHER LONG-TERM LIABILITIES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock", "reportCount": 1, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2317301 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables)", "role": "http://www.asburyauto.com/role/SupplementalCashFlowInformationTables", "shortName": "SUPPLEMENTAL CASH FLOW INFORMATION (Tables)", "subGroupType": "tables", "uniqueAnchor": null }, "R5": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1003000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME", "role": "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome", "shortName": "CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:AssetsAndLiabilitiesLesseeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2318301 - Disclosure - LEASES (Tables)", "role": "http://www.asburyauto.com/role/LeasesTables", "shortName": "LEASES (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "abg:AssetsAndLiabilitiesLesseeTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R51": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2319301 - Disclosure - LEASE OBLIGATIONS (Tables)", "role": "http://www.asburyauto.com/role/LeaseObligationsTables", "shortName": "LEASE OBLIGATIONS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R52": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2321301 - Disclosure - SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Tables)", "role": "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansTables", "shortName": "SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2322301 - Disclosure - CONDENSED QUARTERLY REVENUES AND EARNINGS (UNAUDITED) (Tables)", "role": "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedTables", "shortName": "CONDENSED QUARTERLY REVENUES AND EARNINGS (UNAUDITED) (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "abg:NumberOfFranchises", "reportCount": 1, "unitRef": "franchise", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2401403 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Description) (Details)", "role": "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails", "shortName": "DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Description) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "lang": null, "name": "abg:NumberOfDealershipLocations", "reportCount": 1, "unique": true, "unitRef": "dealership_location", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:IncomeTaxPolicyTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "D2017Q4Dec31", "decimals": "-5", "first": true, "lang": null, "name": "abg:TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxLiabilityIncomeTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2401404 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)", "role": "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "shortName": "DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:IncomeTaxPolicyTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "D2017Q4Dec31", "decimals": "-5", "first": true, "lang": null, "name": "abg:TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxLiabilityIncomeTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R56": { "firstAnchor": null, "groupType": "disclosure", "isDefault": "false", "longName": "2401405 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Property and Equipment Useful Lives) (Details)", "role": "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "shortName": "DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Property and Equipment Useful Lives) (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R57": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "ix:continuation", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD_abg_ComponentsOfInventoryAxis_abg_NewVehiclesMember_abg_TypeOfBrandAxis_abg_AmericanHondaMotorCo.Inc.HondaandAcuraMember", "decimals": "2", "first": true, "lang": null, "name": "abg:EntityWideRevenuesMajorBrandPercentage", "reportCount": 1, "unique": true, "unitRef": "ratio", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2401406 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Revenues by Major Brand) (Details)", "role": "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails", "shortName": "DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Revenues by Major Brand) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "ix:continuation", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD_abg_ComponentsOfInventoryAxis_abg_NewVehiclesMember_abg_TypeOfBrandAxis_abg_AmericanHondaMotorCo.Inc.HondaandAcuraMember", "decimals": "2", "first": true, "lang": null, "name": "abg:EntityWideRevenuesMajorBrandPercentage", "reportCount": 1, "unique": true, "unitRef": "ratio", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402402 - Disclosure - REVENUE RECOGNITION (Disaggregation of Revenue) (Details)", "role": "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails", "shortName": "REVENUE RECOGNITION (Disaggregation of Revenue) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:DisaggregationOfRevenueTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q3", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ContractWithCustomerAssetNet", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2402403 - Disclosure - REVENUE RECOGNITION (Contract Assets) (Details)", "role": "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails", "shortName": "REVENUE RECOGNITION (Contract Assets) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4QTD", "decimals": "-5", "lang": null, "name": "us-gaap:ContractWithCustomerAssetReclassifiedToReceivable", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2016Q4_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_us-gaap_AccountingStandardsUpdate201609Member", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1004000 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS\u2019 EQUITY", "role": "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "shortName": "CONSOLIDATED STATEMENTS OF SHAREHOLDERS\u2019 EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2016Q4_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_us-gaap_AccountingStandardsUpdate201609Member", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD_us-gaap_BusinessAcquisitionAxis_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationConsiderationTransferred1", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403402 - Disclosure - ACQUISITIONS AND DIVESTITURES (Acquisitions- Narrative) (Details)", "role": "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails", "shortName": "ACQUISITIONS AND DIVESTITURES (Acquisitions- Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD_us-gaap_BusinessAcquisitionAxis_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:BusinessCombinationConsiderationTransferred1", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:Goodwill", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403403 - Disclosure - ACQUISITIONS AND DIVESTITURES (Schedule of Business Acquisitions) (Details)", "role": "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails", "shortName": "ACQUISITIONS AND DIVESTITURES (Schedule of Business Acquisitions) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "ix:continuation", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_BusinessAcquisitionAxis_us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember", "decimals": "-5", "lang": null, "name": "us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ProceedsFromDivestitureOfBusinesses", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2403404 - Disclosure - ACQUISITIONS AND DIVESTITURES (Divestitures- Narrative) (Details)", "role": "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails", "shortName": "ACQUISITIONS AND DIVESTITURES (Divestitures- Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2017Q4YTD_srt_StatementGeographicalAxis_stpr_TX_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember", "decimals": "INF", "lang": null, "name": "abg:NumberOfFranchisesSold", "reportCount": 1, "unique": true, "unitRef": "franchise", "xsiNil": "false" } }, "R63": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AccountsReceivableGrossCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2404402 - Disclosure - ACCOUNTS RECEIVABLE (Details)", "role": "http://www.asburyauto.com/role/AccountsReceivableDetails", "shortName": "ACCOUNTS RECEIVABLE (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AccountsReceivableGrossCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InventoryNet", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2405402 - Disclosure - INVENTORIES (Details)", "role": "http://www.asburyauto.com/role/InventoriesDetails", "shortName": "INVENTORIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "us-gaap:InventoryValuationReserves", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "abg:SummaryofAssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSaleTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DisposalGroupIncludingDiscontinuedOperationInventory1", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406402 - Disclosure - ASSETS HELD FOR SALE (Assets Held for Sale and Liabilities Associated with the Assets) (Details)", "role": "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails", "shortName": "ASSETS HELD FOR SALE (Assets Held for Sale and Liabilities Associated with the Assets) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "abg:SummaryofAssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSaleTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DisposalGroupIncludingDiscontinuedOperationInventory1", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "span", "span", "div", "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "first": true, "lang": null, "name": "abg:NumberOfFranchises", "reportCount": 1, "unitRef": "franchise", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2406403 - Disclosure - ASSETS HELD FOR SALE (Narrative) (Details)", "role": "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "shortName": "ASSETS HELD FOR SALE (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_FairValueByAssetClassAxis_abg_RealEstateNotCurrentlyUsedinOperationsMember", "decimals": "-5", "lang": null, "name": "us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfOtherCurrentAssetsTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:OtherAssetsCurrentServiceLoanerVehicles", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2407402 - Disclosure - OTHER CURRENT ASSETS (Details)", "role": "http://www.asburyauto.com/role/OtherCurrentAssetsDetails", "shortName": "OTHER CURRENT ASSETS (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfOtherCurrentAssetsTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:OtherAssetsCurrentServiceLoanerVehicles", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408402 - Disclosure - PROPERTY AND EQUIPMENT, NET (Schedule of Property and Equipment, Net) (Details)", "role": "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails", "shortName": "PROPERTY AND EQUIPMENT, NET (Schedule of Property and Equipment, Net) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestCostsCapitalized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2408403 - Disclosure - PROPERTY AND EQUIPMENT, NET (Narrative) (Details)", "role": "http://www.asburyauto.com/role/PropertyAndEquipmentNetNarrativeDetails", "shortName": "PROPERTY AND EQUIPMENT, NET (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestCostsCapitalized", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R7": { "firstAnchor": null, "groupType": "statement", "isDefault": "false", "longName": "1004501 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS\u2019 EQUITY (Parenthetical)", "role": "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquityParenthetical", "shortName": "CONSOLIDATED STATEMENTS OF SHAREHOLDERS\u2019 EQUITY (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R70": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2018Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:Goodwill", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409402 - Disclosure - GOODWILL AND INTANGIBLE FRANCHISE RIGHTS (Goodwill) (Details)", "role": "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsGoodwillDetails", "shortName": "GOODWILL AND INTANGIBLE FRANCHISE RIGHTS (Goodwill) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "ix:continuation", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:GoodwillAcquiredDuringPeriod", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R71": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:ImpairmentOfIntangibleAssetsFinitelived", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2409403 - Disclosure - GOODWILL AND INTANGIBLE FRANCHISE RIGHTS (Franchise Rights) (Details)", "role": "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails", "shortName": "GOODWILL AND INTANGIBLE FRANCHISE RIGHTS (Franchise Rights) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "abg:ImpairmentofIntangibleAssetsReclassifiedtoassetsheldforsale", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R72": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:FloorPlanNotesPayableTradeGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2410402 - Disclosure - FLOOR PLAN NOTES PAYABLE\u2014TRADE (Details)", "role": "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeDetails", "shortName": "FLOOR PLAN NOTES PAYABLE\u2014TRADE (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:FloorPlanNotesPayableTradeGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R73": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:FloorPlanNotesPayableNonTradeNewGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411402 - Disclosure - FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE (Consist of) (Details)", "role": "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails", "shortName": "FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE (Consist of) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:FloorPlanNotesPayableNonTradeNewGross", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R74": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:FloorPlanNotesPayableOffsets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2411403 - Disclosure - FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE (Narrative) (Details)", "role": "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "shortName": "FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:FloorPlanNotesPayableOffsets", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R75": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AccountsPayableCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2412402 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Details)", "role": "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails", "shortName": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AccountsPayableCurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R76": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:FinanceLeaseLiability", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413402 - Disclosure - LONG-TERM DEBT (Schedule of Long-Term Debt) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "shortName": "LONG-TERM DEBT (Schedule of Long-Term Debt) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "us-gaap:DebtInstrumentUnamortizedPremium", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R77": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413403 - Disclosure - LONG-TERM DEBT (Schedule of Aggregate Maturities of Long-Term Debt) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails", "shortName": "LONG-TERM DEBT (Schedule of Aggregate Maturities of Long-Term Debt) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "srt:ContractualObligationFiscalYearMaturityScheduleTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R78": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DeferredFinanceCostsNet", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413404 - Disclosure - LONG-TERM DEBT (6.0% Senior Subordinated Notes due 2024) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "shortName": "LONG-TERM DEBT (6.0% Senior Subordinated Notes due 2024) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "D2015Q4Oct_us-gaap_DebtInstrumentAxis_abg_SixPointZeroPercentSeniorSubordinatedNotesDue2024Member_us-gaap_LongtermDebtTypeAxis_us-gaap_SeniorSubordinatedNotesMember", "decimals": "-5", "lang": null, "name": "us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R79": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MortgagesMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413405 - Disclosure - LONG-TERM DEBT (Mortgage Notes Payable) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebtMortgageNotesPayableDetails", "shortName": "LONG-TERM DEBT (Mortgage Notes Payable) (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R8": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "1005000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS", "role": "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows", "shortName": "CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "lang": null, "name": "us-gaap:DepreciationAndAmortization", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R80": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "I2018Q4Nov13_us-gaap_DebtInstrumentAxis_abg_A2018BofARealEstateFacilityMember_us-gaap_LineOfCreditFacilityAxis_abg_BankOfAmericaNAMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413406 - Disclosure - LONG-TERM DEBT (2018 BofA Real Estate Facility) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "shortName": "LONG-TERM DEBT (2018 BofA Real Estate Facility) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "I2018Q4Nov13_us-gaap_DebtInstrumentAxis_abg_A2018BofARealEstateFacilityMember_us-gaap_LineOfCreditFacilityAxis_abg_BankOfAmericaNAMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R81": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfDebtInstrumentsTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2018Q4_us-gaap_DebtInstrumentAxis_abg_A2018WellsFargoMasterLoanFacilityMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413407 - Disclosure - LONG-TERM DEBT (2018 Wells Fargo Master Loan Facility) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "shortName": "LONG-TERM DEBT (2018 Wells Fargo Master Loan Facility) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "I2018Q4Nov16_us-gaap_DebtInstrumentAxis_abg_A2018WellsFargoMasterLoanFacilityMember_us-gaap_LineOfCreditFacilityAxis_abg_WellsFargoBankNationalAssociationMember", "decimals": "-5", "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R82": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "I2013Q3Sep26_us-gaap_DebtInstrumentAxis_abg_A2013BofARealEstateFacilityMember_us-gaap_LineOfCreditFacilityAxis_abg_BankOfAmericaNAMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413408 - Disclosure - LONG-TERM DEBT (2013 BofA Real Estate Facility) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "shortName": "LONG-TERM DEBT (2013 BofA Real Estate Facility) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "I2013Q3Sep26_us-gaap_DebtInstrumentAxis_abg_A2013BofARealEstateFacilityMember_us-gaap_LineOfCreditFacilityAxis_abg_BankOfAmericaNAMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R83": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "I2015Q1Feb3_us-gaap_DebtInstrumentAxis_abg_A2015WellsFargoMasterLoanFacilityMember_us-gaap_LineOfCreditFacilityAxis_abg_WellsFargoBankNationalAssociationMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413409 - Disclosure - LONG-TERM DEBT (2015 Wells Fargo Master Loan Facility) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "shortName": "LONG-TERM DEBT (2015 Wells Fargo Master Loan Facility) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "I2015Q1Feb3_us-gaap_DebtInstrumentAxis_abg_A2015WellsFargoMasterLoanFacilityMember_us-gaap_LineOfCreditFacilityAxis_abg_WellsFargoBankNationalAssociationMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R84": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "abg:ScheduleOfMortgageNotesPayableTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MortgagesMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:MortgageLoansOnRealEstate", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413410 - Disclosure - LONG-TERM DEBT (Schedule of Mortgage Notes Payable) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails", "shortName": "LONG-TERM DEBT (Schedule of Mortgage Notes Payable) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "abg:ScheduleOfMortgageNotesPayableTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MortgagesMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:MortgageLoansOnRealEstate", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R85": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_CreditFacilityAxis_abg_ReastatedCreditAgreementMember", "decimals": "-5", "first": true, "lang": null, "name": "abg:DebtInstrumentGeneralRestrictedPaymentsAllowance", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2413411 - Disclosure - LONG-TERM DEBT (Revolving Credit Facility and Stock Restrictions) (Details)", "role": "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "shortName": "LONG-TERM DEBT (Revolving Credit Facility and Stock Restrictions) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_CreditFacilityAxis_abg_ReastatedCreditAgreementMember", "decimals": "-5", "first": true, "lang": null, "name": "abg:DebtInstrumentGeneralRestrictedPaymentsAllowance", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R86": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherAssetsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestRateCashFlowHedgeDerivativeAtFairValueNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414402 - Disclosure - FINANCIAL INSTRUMENTS AND FAIR VALUE (Narrative) (Details)", "role": "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails", "shortName": "FINANCIAL INSTRUMENTS AND FAIR VALUE (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherAssetsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestRateCashFlowHedgeDerivativeAtFairValueNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R87": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414403 - Disclosure - FINANCIAL INSTRUMENTS AND FAIR VALUE (Summary of Carrying Values and Fair Values of Debt) (Details)", "role": "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "shortName": "FINANCIAL INSTRUMENTS AND FAIR VALUE (Summary of Carrying Values and Fair Values of Debt) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:LongTermDebt", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R88": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestRateCashFlowHedgeDerivativeAtFairValueNet", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414404 - Disclosure - FINANCIAL INSTRUMENTS AND FAIR VALUE (Schedule of Fair value of Interest Rate Swaps) (Details)", "role": "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails", "shortName": "FINANCIAL INSTRUMENTS AND FAIR VALUE (Schedule of Fair value of Interest Rate Swaps) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_BalanceSheetLocationAxis_abg_OtherCurrentAssetsLiabilitiesMember_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember", "decimals": "-5", "lang": null, "name": "us-gaap:InterestRateCashFlowHedgeDerivativeAtFairValueNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R89": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2414405 - Disclosure - FINANCIAL INSTRUMENTS AND FAIR VALUE (Schedule of Derivative Instruments Effect on the Consolidated Income Statement, Including Accumulated Other Comprehensive Income) (Details)", "role": "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails", "shortName": "FINANCIAL INSTRUMENTS AND FAIR VALUE (Schedule of Derivative Instruments Effect on the Consolidated Income Statement, Including Accumulated Other Comprehensive Income) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "ix:continuation", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember", "decimals": "-5", "lang": null, "name": "us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2101100 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES", "role": "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies", "shortName": "DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R90": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CurrentFederalTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415402 - Disclosure - INCOME TAXES (Schedule of Components of Income Tax Expense) (Details)", "role": "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails", "shortName": "INCOME TAXES (Schedule of Components of Income Tax Expense) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:CurrentFederalTaxExpenseBenefit", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R91": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415403 - Disclosure - INCOME TAXES (Schedule of Effective Income Tax Rate Reconciliation) (Details)", "role": "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails", "shortName": "INCOME TAXES (Schedule of Effective Income Tax Rate Reconciliation) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R92": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415404 - Disclosure - INCOME TAXES (Schedule of Deferred Income Tax Assets and Liabilities) (Details)", "role": "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails", "shortName": "INCOME TAXES (Schedule of Deferred Income Tax Assets and Liabilities) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R93": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "us-gaap:ScheduleOfOtherCurrentAssetsTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:PrepaidTaxes", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2415405 - Disclosure - INCOME TAXES (Narrative) (Details)", "role": "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails", "shortName": "INCOME TAXES (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "INF", "lang": null, "name": "us-gaap:UnrecognizedTaxBenefits", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R94": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "abg:ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:AccruedFinanceAndInsuranceChargebacksNoncurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2416402 - Disclosure - OTHER LONG-TERM LIABILITIES (Details)", "role": "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails", "shortName": "OTHER LONG-TERM LIABILITIES (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "ix:continuation", "abg:ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "abg:AccruedFinanceAndInsuranceChargebacksNoncurrent", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R95": { "firstAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestPaidNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2417402 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Narrative) (Details)", "role": "http://www.asburyauto.com/role/SupplementalCashFlowInformationNarrativeDetails", "shortName": "SUPPLEMENTAL CASH FLOW INFORMATION (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:InterestPaidNet", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R96": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AmortizationOfFinancingCosts", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2417403 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Schedule of Other Adjustments to Reconcile Net Income to Cash Flow from Operating Activities) (Details) (Details)", "role": "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails", "shortName": "SUPPLEMENTAL CASH FLOW INFORMATION (Schedule of Other Adjustments to Reconcile Net Income to Cash Flow from Operating Activities) (Details) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FD2019Q4YTD", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:AmortizationOfFinancingCosts", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R97": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseRightOfUseAsset", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418402 - Disclosure - LEASES (Narrative) (Details)", "role": "http://www.asburyauto.com/role/LeasesNarrativeDetails", "shortName": "LEASES (Narrative) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_us-gaap_AccountingStandardsUpdate201811Member", "decimals": "-5", "lang": null, "name": "us-gaap:OperatingLeaseRightOfUseAsset", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R98": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseRightOfUseAsset", "reportCount": 1, "unitRef": "usd", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418403 - Disclosure - LEASES (Balance Sheets) (Details)", "role": "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails", "shortName": "LEASES (Balance Sheets) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "abg:AssetsAndLiabilitiesLesseeTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": "-5", "lang": null, "name": "abg:OperatingLeaseAssetHeldforSale", "reportCount": 1, "unique": true, "unitRef": "usd", "xsiNil": "false" } }, "R99": { "firstAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "abg:LeaseTermandDiscountRateLesseeTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "2418404 - Disclosure - LEASES (Lease Term and Discount Rate) (Details)", "role": "http://www.asburyauto.com/role/LeasesLeaseTermAndDiscountRateDetails", "shortName": "LEASES (Lease Term and Discount Rate) (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "div", "td", "tr", "table", "div", "div", "abg:LeaseTermandDiscountRateLesseeTableTextBlock", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "abg201910-k.htm", "contextRef": "FI2019Q4", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } } }, "segmentCount": 109, "tag": { "abg_A2013BofARealEstateFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2013 BofA Real Estate Facility [Member]", "label": "2013 BofA Real Estate Facility [Member]", "terseLabel": "2013 BofA Real Estate Facility" } } }, "localname": "A2013BofARealEstateFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "domainItemType" }, "abg_A2015WellsFargoMasterLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2015 Wells Fargo Master Loan Facility [Member]", "label": "2015 Wells Fargo Master Loan Facility [Member]", "terseLabel": "2015 Wells Fargo Master Loan Facility" } } }, "localname": "A2015WellsFargoMasterLoanFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "domainItemType" }, "abg_A2018BofARealEstateFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2018 BofA Real Estate Facility [Member]", "label": "2018 BofA Real Estate Facility [Member]", "terseLabel": "2018 BofA Real Estate Facility" } } }, "localname": "A2018BofARealEstateFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "domainItemType" }, "abg_A2018WellsFargoMasterLoanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2018 Wells Fargo Master Loan Facility [Member]", "label": "2018 Wells Fargo Master Loan Facility [Member]", "terseLabel": "2018 Wells Fargo Master Loan Facility" } } }, "localname": "A2018WellsFargoMasterLoanFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "domainItemType" }, "abg_A2019EquityandIncentiveCompensationPlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "2019 Equity and Incentive Compensation Plan [Member]", "label": "2019 Equity and Incentive Compensation Plan [Member]", "terseLabel": "2019 Plan" } } }, "localname": "A2019EquityandIncentiveCompensationPlanMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "abg_AccountingPoliciesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Accounting Policies [Line Items]", "label": "Accounting Policies [Line Items]", "terseLabel": "Accounting Policies [Line Items]" } } }, "localname": "AccountingPoliciesLineItems", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "abg_AccountingPoliciesTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Accounting Policies [Table]", "label": "Accounting Policies [Table]", "terseLabel": "Accounting Policies [Table]" } } }, "localname": "AccountingPoliciesTable", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "stringItemType" }, "abg_AccruedFinanceAndInsuranceChargebacksCurrent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 6.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accrued Finance and Insurance Chargebacks, Current", "label": "Accrued Finance and Insurance Chargebacks, Current", "terseLabel": "Accrued finance and insurance chargebacks" } } }, "localname": "AccruedFinanceAndInsuranceChargebacksCurrent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_AccruedFinanceAndInsuranceChargebacksNoncurrent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accrued Finance and Insurance Chargebacks, Noncurrent", "label": "Accrued Finance and Insurance Chargebacks, Noncurrent", "terseLabel": "Accrued finance and insurance chargebacks" } } }, "localname": "AccruedFinanceAndInsuranceChargebacksNoncurrent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_AdvertisingCreditsAndVolumeDiscounts": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Advertising Credits and Volume Discounts", "label": "Advertising Credits and Volume Discounts", "terseLabel": "Advertising credits and volume discounts" } } }, "localname": "AdvertisingCreditsAndVolumeDiscounts", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_AgeFiftyOrMoreMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Age Fifty or More [Member]", "label": "Age Fifty or More [Member]", "terseLabel": "Age 50 or More" } } }, "localname": "AgeFiftyOrMoreMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "domainItemType" }, "abg_AmericanHondaMotorCo.Inc.HondaandAcuraMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "American Honda Motor Co., Inc. (Honda and Acura) [Member]", "label": "American Honda Motor Co., Inc. (Honda and Acura) [Member]", "terseLabel": "American Honda Motor Co., Inc. (Honda and Acura)" } } }, "localname": "AmericanHondaMotorCo.Inc.HondaandAcuraMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "domainItemType" }, "abg_AmountOfSuretyBondLineMaintained": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of Surety Bond Line maintained in the ordinary course of business.", "label": "Amount of Surety Bond Line Maintained", "terseLabel": "Amount of surety bond line maintained" } } }, "localname": "AmountOfSuretyBondLineMaintained", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "abg_AssetAcquisitionAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Asset Acquisition [Axis]", "label": "Asset Acquisition [Axis]", "terseLabel": "Asset Acquisition [Axis]" } } }, "localname": "AssetAcquisitionAxis", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "abg_AssetAcquisitionConsiderationTransfered": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Asset Acquisition, Consideration Transfered", "label": "Asset Acquisition, Consideration Transfered", "terseLabel": "Consideration transfered" } } }, "localname": "AssetAcquisitionConsiderationTransfered", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "abg_AssetAcquisitionDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Domain] for Asset Acquisition [Axis]", "label": "Asset Acquisition [Domain]", "terseLabel": "Asset Acquisition [Domain]" } } }, "localname": "AssetAcquisitionDomain", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill", "label": "Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill", "terseLabel": "Goodwill" } } }, "localname": "AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedGoodwill", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "abg_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedPartsandFixedAssets": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Parts and Fixed Assets", "label": "Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Parts and Fixed Assets", "terseLabel": "Parts and fixed assets" } } }, "localname": "AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedPartsandFixedAssets", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "abg_AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRealEstateandLeaseholds": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Real Estate and Leaseholds", "label": "Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Real Estate and Leaseholds", "terseLabel": "Real estate and leaseholds" } } }, "localname": "AssetAcquisitionRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRealEstateandLeaseholds", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "abg_AssetsAndLiabilitiesLesseeTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Assets And Liabilities, Lessee [Table Text Block]", "label": "Assets And Liabilities, Lessee [Table Text Block]", "terseLabel": "Assets And Liabilities, Lessee" } } }, "localname": "AssetsAndLiabilitiesLesseeTableTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "abg_AssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSalePolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Assets Held for Sale and Liabilities Associated with Assets Held for Sale Policy [Policy Text Block]", "label": "Assets Held for Sale and Liabilities Associated with Assets Held for Sale Policy [Policy Text Block]", "terseLabel": "Assets Held for Sale and Liabilities Associated with Assets Held for Sale" } } }, "localname": "AssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSalePolicyPolicyTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "abg_BMWofNorthAmericaLLCBMWandMiniMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "BMW of North America, LLC (BMW and Mini) [Member]", "label": "BMW of North America, LLC (BMW and Mini) [Member]", "terseLabel": "BMW of North America, LLC (BMW and Mini)" } } }, "localname": "BMWofNorthAmericaLLCBMWandMiniMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "domainItemType" }, "abg_BankOfAmericaNAMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Bank of America, N.A. [Member]", "label": "Bank of America, N.A. [Member]", "terseLabel": "Bank of America" } } }, "localname": "BankOfAmericaNAMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_BrandMix": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Brand Mix", "label": "Brand Mix", "terseLabel": "Weighted brand mix" } } }, "localname": "BrandMix", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "percentItemType" }, "abg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLoanerVehicles": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails": { "order": 6.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loaner Vehicles", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loaner Vehicles", "terseLabel": "Loaner vehicles" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedLoanerVehicles", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "abg_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRealEstate": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails": { "order": 2.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Real Estate", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Real Estate", "terseLabel": "Real estate" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedRealEstate", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "abg_BusinessCombinationReleaseofPurchasePriceHoldbacksRelatedtoaPriorYearAcquisition": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Business Combination, Release of Purchase Price Holdbacks Related to a Prior Year Acquisition", "label": "Business Combination, Release of Purchase Price Holdbacks Related to a Prior Year Acquisition", "terseLabel": "Release of purchase price holdbacks related to a prior year acquisition" } } }, "localname": "BusinessCombinationReleaseofPurchasePriceHoldbacksRelatedtoaPriorYearAcquisition", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_BusinessCombinationandDivestituresDisclosureTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Business Combination and Divestitures Disclosure [Text Block]", "label": "Business Combination and Divestitures Disclosure [Text Block]", "terseLabel": "ACQUISITIONS AND DIVESTITURES" } } }, "localname": "BusinessCombinationandDivestituresDisclosureTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestitures" ], "xbrltype": "textBlockItemType" }, "abg_BusinessCombinationsandDivestituresAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Business Combinations and Divestitures [Abstract]", "label": "Business Combinations and Divestitures [Abstract]" } } }, "localname": "BusinessCombinationsandDivestituresAbstract", "nsuri": "http://www.asburyauto.com/20191231", "xbrltype": "stringItemType" }, "abg_BusinessOrganizationLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Business Organization [Line Items]", "label": "Business Organization [Line Items]", "terseLabel": "Business Organization [Line Items]" } } }, "localname": "BusinessOrganizationLineItems", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "stringItemType" }, "abg_CaptiveMortgageMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Captive Mortgage [Member]", "label": "Captive Mortgage [Member]", "terseLabel": "Captive mortgages" } } }, "localname": "CaptiveMortgageMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "domainItemType" }, "abg_CashPaidDuringPeriodRelatedToFloorPlanInterest": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cash paid during the period related to floor plan interest", "label": "Cash paid during the period related to floor plan interest", "terseLabel": "Cash paid during the period related to floor plan interest" } } }, "localname": "CashPaidDuringPeriodRelatedToFloorPlanInterest", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_ChangeinContractwithCustomerAssetRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Change in Contract with Customer, Asset [Roll Forward]", "label": "Change in Contract with Customer, Asset [Roll Forward]", "terseLabel": "Change in Contract with Customer, Asset [Roll Forward]" } } }, "localname": "ChangeinContractwithCustomerAssetRollForward", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails" ], "xbrltype": "stringItemType" }, "abg_ChangeinOperatingLeaseRightofUseAsset": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Change in Operating Lease, Right of Use Asset", "label": "Change in Operating Lease, Right of Use Asset", "terseLabel": "Change in right-of-use asset" } } }, "localname": "ChangeinOperatingLeaseRightofUseAsset", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "abg_ChangesToFinanceLeaseRightOfUseAssetResultingFromLeaseReassessmentEvent": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Changes To Finance Lease Right-Of-Use Asset Resulting From Lease Reassessment Event", "label": "Changes To Finance Lease Right-Of-Use Asset Resulting From Lease Reassessment Event", "terseLabel": "Changes to finance lease right-of-use asset resulting from lease reassessment event" } } }, "localname": "ChangesToFinanceLeaseRightOfUseAssetResultingFromLeaseReassessmentEvent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesOtherInformationDetails" ], "xbrltype": "monetaryItemType" }, "abg_CompanyVehiclesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Company Vehicles [Member]", "label": "Company Vehicles [Member]", "terseLabel": "Company vehicles" } } }, "localname": "CompanyVehiclesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "abg_ComponentOfInventoryDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Component of Inventory [Domain]", "label": "Component of Inventory [Domain]", "terseLabel": "Components of Inventory [Domain]" } } }, "localname": "ComponentOfInventoryDomain", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails", "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "domainItemType" }, "abg_ComponentsOfInventoryAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components of Inventory", "label": "Components of Inventory [Axis]", "terseLabel": "Components of Inventory [Axis]" } } }, "localname": "ComponentsOfInventoryAxis", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails", "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "stringItemType" }, "abg_ComponentsOfInventoryLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components of Inventory [Line Items]", "label": "Components of Inventory [Line Items]", "terseLabel": "Components of Inventory [Line Items]" } } }, "localname": "ComponentsOfInventoryLineItems", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "stringItemType" }, "abg_ConsolidatedLeverageRatio": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Consolidated Leverage Ratio", "label": "Consolidated Leverage Ratio", "terseLabel": "Consolidated leverage ratio" } } }, "localname": "ConsolidatedLeverageRatio", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "percentItemType" }, "abg_ContractsInTransitPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Contracts-in-transit policy represents receivables from third-party finance companies for the portion of new and used vehicle purchase price financed by customers through sources arranged by us.", "label": "Contracts In Transit [Policy Text Block]", "terseLabel": "Contracts-In-Transit" } } }, "localname": "ContractsInTransitPolicyTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "abg_Contractsintransit": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Contracts-in-transit represent receivables from third-party finance companies for the portion of new and used vehicle purchase price financed by customers through sources arranged by us.", "label": "ContractsInTransit", "terseLabel": "Contracts-in-transit, net" } } }, "localname": "Contractsintransit", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "abg_DebtInstrumentGeneralRestrictedPaymentsAllowance": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Debt Instrument, General Restricted Payments Allowance", "label": "Debt Instrument, General Restricted Payments Allowance", "terseLabel": "General restricted payments allowance" } } }, "localname": "DebtInstrumentGeneralRestrictedPaymentsAllowance", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DebtInstrumentRestrictedPaymentsCapacityAdditionsasPercentofCashProceedsfromSaleofEquity": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Restricted Payments Capacity Additions as Percent of Cash Proceeds from Sale of Equity", "label": "Debt Instrument, Restricted Payments Capacity Additions as Percent of Cash Proceeds from Sale of Equity", "terseLabel": "Restricted payments capacity additions as percent of cash proceeds from sale of equity" } } }, "localname": "DebtInstrumentRestrictedPaymentsCapacityAdditionsasPercentofCashProceedsfromSaleofEquity", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "percentItemType" }, "abg_DebtInstrumentRestrictedPaymentsCapacityAdditionsasPercentofNetIncome": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Debt Instrument, Restricted Payments Capacity Additions as Percent of Net Income", "label": "Debt Instrument, Restricted Payments Capacity Additions as Percent of Net Income", "terseLabel": "Restricted payments capacity additions as percent of net income" } } }, "localname": "DebtInstrumentRestrictedPaymentsCapacityAdditionsasPercentofNetIncome", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "percentItemType" }, "abg_DeferredIncomeTaxExpenseBenefitContinuingOperationsAndDiscontinuedOperations": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Income Tax Expense (Benefit), Continuing Operations and Discontinued Operations", "label": "Deferred Income Tax Expense (Benefit), Continuing Operations and Discontinued Operations", "terseLabel": "Deferred income taxes" } } }, "localname": "DeferredIncomeTaxExpenseBenefitContinuingOperationsAndDiscontinuedOperations", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "abg_DeferredTaxAssetsRightofUseAssets": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Deferred Tax Assets, Right of Use Assets", "label": "Deferred Tax Assets, Right of Use Assets", "terseLabel": "Operating lease right-of-use assets" } } }, "localname": "DeferredTaxAssetsRightofUseAssets", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_DeferredTaxLiabilitiesDepreciation": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Deferred Tax Liabilities, Depreciation", "label": "Deferred Tax Liabilities, Depreciation", "negatedTerseLabel": "Depreciation" } } }, "localname": "DeferredTaxLiabilitiesDepreciation", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_DeferredTaxLiabilitiesIntangibleassetamortization": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Deferred Tax Liabilities, Intangible asset amortization", "label": "Deferred Tax Liabilities, Intangible asset amortization", "negatedTerseLabel": "Intangible asset amortization" } } }, "localname": "DeferredTaxLiabilitiesIntangibleassetamortization", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_DeferredTaxLiabilitiesOperatingLeaseLiabilities": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Deferred Tax Liabilities, Operating Lease Liabilities", "label": "Deferred Tax Liabilities, Operating Lease Liabilities", "negatedTerseLabel": "Operating lease liabilities" } } }, "localname": "DeferredTaxLiabilitiesOperatingLeaseLiabilities", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_DefinedContributionPlanEmployeeEligibilityMinimumServicePeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Defined Contribution Plan, Employee Eligibility, Minimum Service Period", "label": "Defined Contribution Plan, Employee Eligibility, Minimum Service Period", "terseLabel": "Period of eligibility to participate in benefit plan (in days)" } } }, "localname": "DefinedContributionPlanEmployeeEligibilityMinimumServicePeriod", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "durationItemType" }, "abg_DefinedContributionPlanEmployerMatchingContributionEmploymentRequirementPeriodForMatchingEligibilityMinimum": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Defined Contribution Plan, Employer Matching Contribution, Employment Requirement Period for Matching Eligibility, Minimum", "label": "Defined Contribution Plan, Employer Matching Contribution, Employment Requirement Period for Matching Eligibility, Minimum", "terseLabel": "Employer matching contribution, employment requirement period for matching eligibility, minimum" } } }, "localname": "DefinedContributionPlanEmployerMatchingContributionEmploymentRequirementPeriodForMatchingEligibilityMinimum", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "durationItemType" }, "abg_DefinedContributionPlanEmployersMatchingContributionVestingPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Defined Contribution Plan, Employers Matching Contribution, Vesting Period", "label": "Defined Contribution Plan, Employers Matching Contribution, Vesting Period", "terseLabel": "Employers matching contribution, vesting period after date of hire (in years)" } } }, "localname": "DefinedContributionPlanEmployersMatchingContributionVestingPeriod", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "durationItemType" }, "abg_DerivativeLiabilityNotionalAmountAtMaturity": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Derivative Liability, Notional Amount, at Maturity", "label": "Derivative Liability, Notional Amount, at Maturity", "terseLabel": "Notional principal amount of derivative liability, at maturity" } } }, "localname": "DerivativeLiabilityNotionalAmountAtMaturity", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_DerivativesandFairValueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Derivatives and Fair Value [Abstract]", "label": "Derivatives and Fair Value [Abstract]" } } }, "localname": "DerivativesandFairValueAbstract", "nsuri": "http://www.asburyauto.com/20191231", "xbrltype": "stringItemType" }, "abg_DisclosureOfLongLivedAssetsHeldForSaleDuringPeriodTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of Long Lived Assets Held-for-sale During Period [Text Block]", "label": "Disclosure of Long Lived Assets Held-for-sale During Period [Text Block]", "terseLabel": "ASSETS HELD FOR SALE" } } }, "localname": "DisclosureOfLongLivedAssetsHeldForSaleDuringPeriodTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSale" ], "xbrltype": "textBlockItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationCurrentMaturitiesofLongtermDebt": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Current Maturities of Long-term Debt", "label": "Disposal Group, Including Discontinued Operation, Current Maturities of Long-term Debt", "terseLabel": "Current maturities of long-term debt" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationCurrentMaturitiesofLongtermDebt", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationFloorPlanNotesPayableNonTrade": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Floor Plan Notes Payable\u2014Non-Trade", "label": "Disposal Group, Including Discontinued Operation, Floor Plan Notes Payable\u2014Non-Trade", "terseLabel": "Floor plan notes payable\u2014non-trade" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationFloorPlanNotesPayableNonTrade", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationFloorPlanNotesPayableTrade": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Floor Plan Notes Payable - Trade", "label": "Disposal Group, Including Discontinued Operation, Floor Plan Notes Payable - Trade", "terseLabel": "Floor plan notes payable\u2014trade" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationFloorPlanNotesPayableTrade", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationLiabilitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Liabilities [Member]", "label": "Disposal Group, Including Discontinued Operation, Liabilities [Member]", "terseLabel": "Liabilities Associated with Assets Held for Sale" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationLiabilitiesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationLoaners": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 4.0, "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Loaners", "label": "Disposal Group, Including Discontinued Operation, Loaners", "terseLabel": "Loaners, net" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationLoaners", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationLoanersLiabilities": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Loaners, Liabilities", "label": "Disposal Group, Including Discontinued Operation, Loaners, Liabilities", "terseLabel": "Loaners/ Notes payable" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationLoanersLiabilities", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails", "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationLongtermDebt": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Long-term Debt", "label": "Disposal Group, Including Discontinued Operation, Long-term Debt", "terseLabel": "Long-term debt" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationLongtermDebt", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Operating Lease Liabilities", "label": "Disposal Group, Including Discontinued Operation, Operating Lease Liabilities", "terseLabel": "Operating lease liabilities" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseROUAssets": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 5.0, "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Operating Lease ROU Assets", "label": "Disposal Group, Including Discontinued Operation, Operating Lease ROU Assets", "terseLabel": "Operating lease right-of-use assets" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationOperatingLeaseROUAssets", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DisposalGroupIncludingDiscontinuedOperationOperatingLeasesCurrentMaturities": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Disposal Group, Including Discontinued Operation, Operating Leases, Current Maturities", "label": "Disposal Group, Including Discontinued Operation, Operating Leases, Current Maturities", "terseLabel": "Current maturities of operating leases" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationOperatingLeasesCurrentMaturities", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_DomesticBrandsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Domestic Brands [Member]", "label": "Domestic Brands [Member]", "terseLabel": "Domestic Brands" } } }, "localname": "DomesticBrandsMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "domainItemType" }, "abg_EffectiveIncomeTaxRateReconciliationAdjustmentsandSettlementsAmount": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 4.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Effective Income Tax Rate Reconciliation, Adjustments and Settlements, Amount", "label": "Effective Income Tax Rate Reconciliation, Adjustments and Settlements, Amount", "negatedTerseLabel": "Adjustments and settlements" } } }, "localname": "EffectiveIncomeTaxRateReconciliationAdjustmentsandSettlementsAmount", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "abg_EffectiveIncomeTaxRateReconciliationAdjustmentsandSettlementsPercent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 4.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0 } }, "lang": { "en-US": { "role": { "documentation": "Effective Income Tax Rate Reconciliation, Adjustments and Settlements, Percent", "label": "Effective Income Tax Rate Reconciliation, Adjustments and Settlements, Percent", "negatedTerseLabel": "Adjustments and settlements" } } }, "localname": "EffectiveIncomeTaxRateReconciliationAdjustmentsandSettlementsPercent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "abg_EightPointThreeSevenFivePercentSeniorSubordinatedNotesDue2020Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Eight Point Three Seven Five Percent Senior Subordinated Notes Due 2020 [Member]", "label": "Eight Point Three Seven Five Percent Senior Subordinated Notes Due 2020 [Member]", "terseLabel": "8.375% Senior Subordinated Notes due 2020" } } }, "localname": "EightPointThreeSevenFivePercentSeniorSubordinatedNotesDue2020Member", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details" ], "xbrltype": "domainItemType" }, "abg_EmployeeRetirementPlanGroupsOfParticipantsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Employee Retirement Plan, Groups of Participants [Axis]", "label": "Employee Retirement Plan, Groups of Participants [Axis]", "terseLabel": "Employee Retirement Plan, Groups of Participants [Axis]" } } }, "localname": "EmployeeRetirementPlanGroupsOfParticipantsAxis", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "stringItemType" }, "abg_EmployeeRetirementPlanGroupsOfParticipantsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Domain] for Employee Retirement Plan, Groups of Participants [Axis]", "label": "Employee Retirement Plan, Groups of Participants [Domain]", "terseLabel": "Employee Retirement Plan, Groups of Participants [Domain]" } } }, "localname": "EmployeeRetirementPlanGroupsOfParticipantsDomain", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "domainItemType" }, "abg_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionNextTwelveMonths": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Expected Future Recognition, Next Twelve Months", "label": "Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Expected Future Recognition, Next Twelve Months", "terseLabel": "Expected future recognition of unrecognized compensation expense related to nonvested share-based awards, 2020" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionNextTwelveMonths", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "abg_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionYearThree": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Expected Future Recognition, Year Three", "label": "Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Expected Future Recognition, Year Three", "terseLabel": "Expected future recognition of unrecognized compensation expense related to nonvested share-based awards, 2022" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionYearThree", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "abg_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionYearTwo": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Expected Future Recognition, Year Two", "label": "Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Expected Future Recognition, Year Two", "terseLabel": "Expected future recognition of unrecognized compensation expense related to nonvested share-based awards, 2021" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedExpectedFutureRecognitionYearTwo", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "abg_EntityWideRevenuesMajorBrandPercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Entity-Wide Revenues, Major Brand, Percentage", "label": "Entity-Wide Revenues, Major Brand, Percentage", "terseLabel": "Revenues by major brand, percentage" } } }, "localname": "EntityWideRevenuesMajorBrandPercentage", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "percentItemType" }, "abg_EntityWideRevenuesMajorBrandsDisclosurePercentageThreshold": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Entity-Wide Revenues, Major Brands, Disclosure Percentage Threshold", "label": "Entity-Wide Revenues, Major Brands, Disclosure Percentage Threshold", "terseLabel": "Revenues by major brand, disclosure percentage threshold" } } }, "localname": "EntityWideRevenuesMajorBrandsDisclosurePercentageThreshold", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "percentItemType" }, "abg_ExistingNotesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Existing Notes [Member]", "label": "Existing Notes [Member]", "terseLabel": "Existing Notes" } } }, "localname": "ExistingNotesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_FederalFundsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Federal Funds [Member]", "label": "Federal Funds [Member]", "terseLabel": "Federal Funds" } } }, "localname": "FederalFundsMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "domainItemType" }, "abg_FinanceandinsuranceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Finance and insurance [Member]", "label": "Finance and insurance [Member]", "terseLabel": "Finance and insurance, net" } } }, "localname": "FinanceandinsuranceMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails", "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "abg_Financeandinsurancenet": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 3.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Revenues derived from the arrangement of vehicle financing and the sale of aftermarket products, such as insurance and service contracts.", "label": "FinanceandinsuranceNet", "terseLabel": "Finance and insurance, net" } } }, "localname": "Financeandinsurancenet", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanBorrowingsAcquisitions": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Borrowings of floor plan notes payable to parties other than the manufacturer related to the acquisition of dealerships.", "label": "Floor Plan Borrowings, Acquisitions", "terseLabel": "Floor plan borrowings\u2014acquisitions" } } }, "localname": "FloorPlanBorrowingsAcquisitions", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanInterestExpense": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 1.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Interest expense incurred on vehicle floorplan payable trade and non-trade outstanding during the period.", "label": "Floor Plan interest Expense", "terseLabel": "Floor plan interest expense" } } }, "localname": "FloorPlanInterestExpense", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableNonTrade": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amounts borrowed to finance the purchase of specific new and, to a lesser extent, used vehicle inventories with non-trade lenders (lenders that are not captive finance subsidiaries of the manufacturer).", "label": "Floor Plan Notes Payable Non Trade", "terseLabel": "Floor plan notes payable\u2014non-trade, net", "totalLabel": "Total floor plan notes payable\u2014non-trade, net" } } }, "localname": "FloorPlanNotesPayableNonTrade", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableNonTradeLiabilitiesAssociatedwithAssetsHeldforSale": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable\u2014Non-Trade, Liabilities Associated with Assets Held for Sale", "label": "Floor Plan Notes Payable\u2014Non-Trade, Liabilities Associated with Assets Held for Sale", "terseLabel": "Floor plan notes payable\u2014non-trade, liabilities associated with assets held for sale" } } }, "localname": "FloorPlanNotesPayableNonTradeLiabilitiesAssociatedwithAssetsHeldforSale", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableNonTradeNewGross": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails": { "order": 1.0, "parentTag": "abg_FloorPlanNotesPayableNonTrade", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable Non Trade, New, Gross", "label": "Floor Plan Notes Payable Non Trade, New, Gross", "terseLabel": "Floor plan notes payable\u2014new non-trade" } } }, "localname": "FloorPlanNotesPayableNonTradeNewGross", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableNonTradeOffsets": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails": { "order": 2.0, "parentTag": "abg_FloorPlanNotesPayableNonTrade", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable Non Trade, Offsets", "label": "Floor Plan Notes Payable Non Trade, Offsets", "negatedTerseLabel": "Floor plan notes payable offset account" } } }, "localname": "FloorPlanNotesPayableNonTradeOffsets", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableNonTradeTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable - Non-Trade [Table Text Block]", "label": "Floor Plan Notes Payable - Non-Trade [Table Text Block]", "terseLabel": "Schedule of Floor Plan Notes Payable - Non-Trade" } } }, "localname": "FloorPlanNotesPayableNonTradeTableTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeTables" ], "xbrltype": "textBlockItemType" }, "abg_FloorPlanNotesPayableNonTradeTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable Non-Trade [Text Block]", "label": "Floor Plan Notes Payable Non-Trade [Text Block]", "terseLabel": "FLOOR PLAN NOTES PAYABLE\u2014NON-TRADE" } } }, "localname": "FloorPlanNotesPayableNonTradeTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTrade" ], "xbrltype": "textBlockItemType" }, "abg_FloorPlanNotesPayableNonTradeUsedGross": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails": { "order": 3.0, "parentTag": "abg_FloorPlanNotesPayableNonTrade", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable Non Trade, Used, Gross", "label": "Floor Plan Notes Payable Non Trade, Used, Gross", "terseLabel": "Floor plan notes payable\u2014used non-trade" } } }, "localname": "FloorPlanNotesPayableNonTradeUsedGross", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeConsistOfDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableOffsets": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable, Offsets", "label": "Floor Plan Notes Payable, Offsets", "terseLabel": "Floor plan notes payable, offsets" } } }, "localname": "FloorPlanNotesPayableOffsets", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableTrade": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amounts borrowed to finance the purchase of specific new vehicle inventories with the corresponding manufacturers' captive finance subsidiaries (\"trade lenders\").", "label": "Floor Plan Notes Payable Trade", "terseLabel": "Floor plan notes payable\u2014trade, net", "totalLabel": "Total floor plan notes payable\u2014trade, net" } } }, "localname": "FloorPlanNotesPayableTrade", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableTradeGross": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeDetails": { "order": 1.0, "parentTag": "abg_FloorPlanNotesPayableTrade", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable Trade, Gross", "label": "Floor Plan Notes Payable Trade, Gross", "terseLabel": "Floor plan notes payable\u2014trade" } } }, "localname": "FloorPlanNotesPayableTradeGross", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableTradeLiabilitiesAssociatedwithAssetsHeldforSale": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable\u2014Trade, Liabilities Associated with Assets Held for Sale", "label": "Floor Plan Notes Payable\u2014Trade, Liabilities Associated with Assets Held for Sale", "terseLabel": "Floor plan notes payable\u2014trade, liabilities associated with assets held for sale" } } }, "localname": "FloorPlanNotesPayableTradeLiabilitiesAssociatedwithAssetsHeldforSale", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableTradeOffsets": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeDetails": { "order": 2.0, "parentTag": "abg_FloorPlanNotesPayableTrade", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable Trade, Offsets", "label": "Floor Plan Notes Payable Trade, Offsets", "negatedTerseLabel": "Floor plan notes payable offset account" } } }, "localname": "FloorPlanNotesPayableTradeOffsets", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeDetails" ], "xbrltype": "monetaryItemType" }, "abg_FloorPlanNotesPayableTradeTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable - Trade [Table Text Block]", "label": "Floor Plan Notes Payable - Trade [Table Text Block]", "terseLabel": "Schedule of Floor Plan Notes Payable - Trade" } } }, "localname": "FloorPlanNotesPayableTradeTableTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayabletradeTables" ], "xbrltype": "textBlockItemType" }, "abg_FloorPlanNotesPayableTradeTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Floor Plan Notes Payable - Trade [Text Block]", "label": "Floor Plan Notes Payable - Trade [Text Block]", "terseLabel": "FLOOR PLAN NOTES PAYABLE\u2014TRADE" } } }, "localname": "FloorPlanNotesPayableTradeTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayabletrade" ], "xbrltype": "textBlockItemType" }, "abg_FordMotorCompanyFordandLincolnMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Ford Motor Company (Ford and Lincoln) [Member]", "label": "Ford Motor Company (Ford and Lincoln) [Member]", "terseLabel": "Ford Motor Company (Ford and Lincoln)" } } }, "localname": "FordMotorCompanyFordandLincolnMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "domainItemType" }, "abg_FourPointFiveZeroPercentSeniorNotesdue2028Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Four Point Five Zero Percent Senior Notes due 2028 [Member]", "label": "Four Point Five Zero Percent Senior Notes due 2028 [Member]", "terseLabel": "4.50% Senior Notes due 2028" } } }, "localname": "FourPointFiveZeroPercentSeniorNotesdue2028Member", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_FourPointSevenFivePercentSeniorNotesdue2030Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Four Point Seven Five Percent Senior Notes due 2030 [Member]", "label": "Four Point Seven Five Percent Senior Notes due 2030 [Member]", "terseLabel": "4.75% Senior Notes due 2030" } } }, "localname": "FourPointSevenFivePercentSeniorNotesdue2030Member", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_GainLossonDispositionofBusinessGross": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Gain (Loss) on Disposition of Business, Gross", "label": "Gain (Loss) on Disposition of Business, Gross", "terseLabel": "Gain on disposition of business, gross" } } }, "localname": "GainLossonDispositionofBusinessGross", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_GoodwillReclassifiedtoAssetsHeldforsale": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Goodwill, Reclassified to Assets Held-for-sale", "label": "Goodwill, Reclassified to Assets Held-for-sale", "negatedTerseLabel": "Reclassified to assets held for sale" } } }, "localname": "GoodwillReclassifiedtoAssetsHeldforsale", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "abg_ImpairmentofIntangibleAssetsReclassifiedtoassetsheldforsale": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Impairment of Intangible Assets, Reclassified to assets held for sale", "label": "Impairment of Intangible Assets, Reclassified to assets held for sale", "negatedTerseLabel": "Reclassified to assets held for sale" } } }, "localname": "ImpairmentofIntangibleAssetsReclassifiedtoassetsheldforsale", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "monetaryItemType" }, "abg_IncomeTaxAdjustmentsIncomeTaxBenefitsPerShare": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Income Tax Adjustments, Income Tax Benefits Per Share", "label": "Income Tax Adjustments, Income Tax Benefits Per Share", "terseLabel": "Income tax adjustments per basic and diluted shares (in dollars per share)" } } }, "localname": "IncomeTaxAdjustmentsIncomeTaxBenefitsPerShare", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails" ], "xbrltype": "perShareItemType" }, "abg_IncreaseDecreaseInFloorPlanNotesPayableTrade": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The net change during the reporting periods of floor plan notes payable with the manufacturer of new vehicles.", "label": "Increase (Decrease) In Floor Plan Notes Payable Trade", "terseLabel": "Floor plan notes payable\u2014trade, net" } } }, "localname": "IncreaseDecreaseInFloorPlanNotesPayableTrade", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "abg_IntangibleAssetsIncludingGoodwillPeriodforFederalandStateTaxDeductions": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Intangible Assets (Including Goodwill), Period for Federal and State Tax Deductions", "label": "Intangible Assets (Including Goodwill), Period for Federal and State Tax Deductions", "terseLabel": "Goodwill and manufacturer franchise rights, period for federal and state tax deductions" } } }, "localname": "IntangibleAssetsIncludingGoodwillPeriodforFederalandStateTaxDeductions", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "durationItemType" }, "abg_InterestRateSwap1.1Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap 1.1 [Member]", "label": "Interest Rate Swap 1.1 [Member]", "terseLabel": "New Interest Rate Swap" } } }, "localname": "InterestRateSwap1.1Member", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_InterestRateSwapLiabilitiesNoncurrent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Interest Rate Swap Liabilities, Noncurrent", "label": "Interest Rate Swap Liabilities, Noncurrent", "terseLabel": "Interest rate swap" } } }, "localname": "InterestRateSwapLiabilitiesNoncurrent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_LeaseTermandDiscountRateLesseeTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lease Term and Discount Rate, Lessee [Table Text Block]", "label": "Lease Term and Discount Rate, Lessee [Table Text Block]", "terseLabel": "Lease Term and Discount Rate, Lessee" } } }, "localname": "LeaseTermandDiscountRateLesseeTableTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "abg_LeasesLiability": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Leases, Liability", "label": "Leases, Liability", "totalLabel": "Total lease liabilities" } } }, "localname": "LeasesLiability", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_LeasesRightofUseAsset": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Leases, Right-of-Use Asset", "label": "Leases, Right-of-Use Asset", "totalLabel": "Total right-of-use assets" } } }, "localname": "LeasesRightofUseAsset", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_LineofCreditFacilityAmortizationSchedule": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line of Credit Facility, Amortization Schedule", "label": "Line of Credit Facility, Amortization Schedule", "terseLabel": "Amortization schedule" } } }, "localname": "LineofCreditFacilityAmortizationSchedule", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails" ], "xbrltype": "durationItemType" }, "abg_LineofCreditFacilityNumberofEqualMonthlyPrincipalPayments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line of Credit Facility, Number of Equal Monthly Principal Payments", "label": "Line of Credit Facility, Number of Equal Monthly Principal Payments", "terseLabel": "Number of equal monthly principal payments" } } }, "localname": "LineofCreditFacilityNumberofEqualMonthlyPrincipalPayments", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails" ], "xbrltype": "integerItemType" }, "abg_LineofCreditFacilityQuarterlyPrincipalPaymentsasPercentofInitialAmount": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line of Credit Facility, Quarterly Principal Payments as Percent of Initial Amount", "label": "Line of Credit Facility, Quarterly Principal Payments as Percent of Initial Amount", "terseLabel": "Quarterly principal payments as percent of initial amount" } } }, "localname": "LineofCreditFacilityQuarterlyPrincipalPaymentsasPercentofInitialAmount", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails" ], "xbrltype": "percentItemType" }, "abg_LineofCreditFacilityRepaymentSchedule": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line of Credit Facility, Repayment Schedule", "label": "Line of Credit Facility, Repayment Schedule", "terseLabel": "Repayment schedule" } } }, "localname": "LineofCreditFacilityRepaymentSchedule", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails" ], "xbrltype": "durationItemType" }, "abg_LoanerVehiclePeriodOfUseBeforeSale": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Loaner Vehicle Period of Use Before Sale", "label": "Loaner Vehicle Period of Use Before Sale", "terseLabel": "Loaner vehicle period of use before sale (in months)" } } }, "localname": "LoanerVehiclePeriodOfUseBeforeSale", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "durationItemType" }, "abg_LoanerVehiclesAmountTransferredFromOtherCurrentAssetsToInventory": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Loaner vehicles transferred from other current assets to inventory on the condensed consolidated balance sheets", "label": "Loaner Vehicles, Amount Transferred from Other Current Assets to Inventory", "terseLabel": "Loaner vehicles transferred from other current assets to inventory" } } }, "localname": "LoanerVehiclesAmountTransferredFromOtherCurrentAssetsToInventory", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_LongTermDebtAndCapitalLeaseObligationsCurrentAndNoncurrent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails": { "order": 1.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligationsCurrentandNoncurrentIncludingUnamortizedPremiumDiscount", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Long Term Debt and Capital Lease Obligations, Current and Noncurrent", "label": "Long Term Debt and Capital Lease Obligations, Current and Noncurrent", "terseLabel": "Total debt outstanding" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsCurrentAndNoncurrent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "abg_LongTermDebtandCapitalLeaseObligations1": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Long Term Debt and Capital Lease Obligations1", "label": "Long Term Debt and Capital Lease Obligations1", "totalLabel": "Total debt" } } }, "localname": "LongTermDebtandCapitalLeaseObligations1", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "abg_LongTermDebtandCapitalLeaseObligationsCurrentandNoncurrentIncludingUnamortizedPremiumDiscount": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Long Term Debt and Capital Lease Obligations, Current and Noncurrent, Including Unamortized Premium (Discount)", "label": "Long Term Debt and Capital Lease Obligations, Current and Noncurrent, Including Unamortized Premium (Discount)", "totalLabel": "Long-term debt, including current portion" } } }, "localname": "LongTermDebtandCapitalLeaseObligationsCurrentandNoncurrentIncludingUnamortizedPremiumDiscount", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "abg_LuxuryBrandsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Luxury Brands [Member]", "label": "Luxury Brands [Member]", "terseLabel": "Luxury Brands" } } }, "localname": "LuxuryBrandsMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "domainItemType" }, "abg_ManufacturerReceivablesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Manufacturer Receivables [Member]", "label": "Manufacturer Receivables [Member]", "terseLabel": "Manufacturer receivables" } } }, "localname": "ManufacturerReceivablesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "abg_MaximumPercentasaSingleWithdraw": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maximum Percent as a Single Withdraw", "label": "Maximum Percent as a Single Withdraw", "terseLabel": "Maximum percent as a single withdraw" } } }, "localname": "MaximumPercentasaSingleWithdraw", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "percentItemType" }, "abg_MercedesBenzUSALLCMercedesBenzSmartandSprinterMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Mercedes-Benz USA, LLC (Mercedes-Benz, Smart and Sprinter) [Member]", "label": "Mercedes-Benz USA, LLC (Mercedes-Benz, Smart and Sprinter) [Member]", "terseLabel": "Mercedes-Benz USA, LLC (Mercedes-Benz, smart and Sprinter)" } } }, "localname": "MercedesBenzUSALLCMercedesBenzSmartandSprinterMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "domainItemType" }, "abg_MidlineImportBrandsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Mid-line Import Brands [Member]", "label": "Mid-line Import Brands [Member]", "terseLabel": "Mid-line Import Brands" } } }, "localname": "MidlineImportBrandsMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "domainItemType" }, "abg_MortgageAgreementAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Mortgage Agreement [Axis]", "label": "Mortgage Agreement [Axis]", "terseLabel": "Mortgage Agreement [Axis]" } } }, "localname": "MortgageAgreementAxis", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "stringItemType" }, "abg_MortgageAgreementDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Domain] for Mortgage Agreement [Axis]", "label": "Mortgage Agreement [Domain]", "terseLabel": "Mortgage Agreement [Domain]" } } }, "localname": "MortgageAgreementDomain", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "domainItemType" }, "abg_MortgageNotesPayableLiabilitiesAssociatedwithAssetsHeldforSale": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Mortgage Notes Payable, Liabilities Associated with Assets Held for Sale", "label": "Mortgage Notes Payable, Liabilities Associated with Assets Held for Sale", "terseLabel": "Mortgage note payable classified as Liabilities Associated with Assets Held for Sale" } } }, "localname": "MortgageNotesPayableLiabilitiesAssociatedwithAssetsHeldforSale", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "abg_NewBofARealEstateFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New BofA Real Estate Facility [Member]", "label": "New BofA Real Estate Facility [Member]", "terseLabel": "New BofA Real Estate Facility" } } }, "localname": "NewBofARealEstateFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_NewVehicleCostOfSales": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 1.0, "parentTag": "us-gaap_CostOfRevenue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cost associated with new vehicle sale and lease transcations with individual retail and commercial customers.", "label": "New Vehicle Cost of Sales", "terseLabel": "New vehicle" } } }, "localname": "NewVehicleCostOfSales", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "abg_NewVehicleFloorPlanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New Vehicle Floor Plan Facility [Member]", "label": "New Vehicle Floor Plan Facility [Member]", "terseLabel": "New Vehicle Floor Plan Facility" } } }, "localname": "NewVehicleFloorPlanFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_NewVehicleFloorPlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New Vehicle Floor Plan [Member]", "label": "New Vehicle Floor Plan [Member]", "terseLabel": "New Vehicle Revolving Floor Plan Facility" } } }, "localname": "NewVehicleFloorPlanMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "domainItemType" }, "abg_NewVehicleRevenue": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 2.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "New vehicle revenues include new vehicle sale and lease transactions with individual retail customers and commercial customers.", "label": "New Vehicle Revenue", "terseLabel": "New vehicle" } } }, "localname": "NewVehicleRevenue", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "abg_NewVehicleandUsedVehicleFloorPlanMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New Vehicle and Used Vehicle Floor Plan [Member]", "label": "New Vehicle and Used Vehicle Floor Plan [Member]", "terseLabel": "New Vehicle and Used Vehicle Floor Plan" } } }, "localname": "NewVehicleandUsedVehicleFloorPlanMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_NewVehiclesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New Vehicles", "label": "New Vehicles [Member]", "terseLabel": "New vehicles" } } }, "localname": "NewVehiclesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails", "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "domainItemType" }, "abg_NewandusedvehicleMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New and used vehicle [Member]", "label": "New and used vehicle [Member]", "terseLabel": "New and used vehicle" } } }, "localname": "NewandusedvehicleMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails", "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "abg_NewvehicleMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "New vehicle [Member]", "label": "New vehicle [Member]", "terseLabel": "New vehicle" } } }, "localname": "NewvehicleMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "abg_NissanNorthAmericaInc.NissanandInfinitiMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Nissan North America, Inc. (Nissan and Infiniti) [Member]", "label": "Nissan North America, Inc. (Nissan and Infiniti) [Member]", "terseLabel": "Nissan North America, Inc. (Nissan and Infiniti)" } } }, "localname": "NissanNorthAmericaInc.NissanandInfinitiMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "domainItemType" }, "abg_Noncashinvestingandfinancingactivitiesonpreviouslyleasedrealestate": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Non cash investing and financing activities on previously leased real estate", "label": "Non cash investing and financing activities on previously leased real estate", "terseLabel": "Non cash investing and financing activities on previously leased real estate" } } }, "localname": "Noncashinvestingandfinancingactivitiesonpreviouslyleasedrealestate", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_NotesPayableLoanerVehicleCurrent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Notes Payable, Loaner Vehicle, Current", "label": "Notes Payable, Loaner Vehicle, Current", "terseLabel": "Loaner vehicles notes payable" } } }, "localname": "NotesPayableLoanerVehicleCurrent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_NumberOfCollisionRepairCenters": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Collision Repair Centers", "label": "Number of Collision Repair Centers", "terseLabel": "Number of collision repair centers (in collision repair centers)" } } }, "localname": "NumberOfCollisionRepairCenters", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "integerItemType" }, "abg_NumberOfDealershipLocations": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Dealership Locations", "label": "Number Of Dealership Locations", "terseLabel": "Number of dealership locations (in dealership locations)" } } }, "localname": "NumberOfDealershipLocations", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "integerItemType" }, "abg_NumberOfDealershipLocationsSold": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number Of Dealership Locations, Sold", "label": "Number Of Dealership Locations, Sold", "terseLabel": "Number of dealership locations, sold (in dealership locations)" } } }, "localname": "NumberOfDealershipLocationsSold", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "integerItemType" }, "abg_NumberOfFranchises": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Franchises", "label": "Number of Franchises", "terseLabel": "Number of franchises (in franchises)" } } }, "localname": "NumberOfFranchises", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "integerItemType" }, "abg_NumberOfFranchisesSold": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Franchises, Sold", "label": "Number of Franchises, Sold", "terseLabel": "Number of franchises, sold (in franchises)" } } }, "localname": "NumberOfFranchisesSold", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "integerItemType" }, "abg_NumberOfMetropolitanMarkets": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Metropolitan Markets", "label": "Number of Metropolitan Markets", "terseLabel": "Number of metropolitan markets (in metropolitan markets)" } } }, "localname": "NumberOfMetropolitanMarkets", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "integerItemType" }, "abg_NumberOfVehicleBrands": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Vehicle Brands", "label": "Number of Vehicle Brands", "terseLabel": "Number of vehicle brands (in vehicle brands)" } } }, "localname": "NumberOfVehicleBrands", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "integerItemType" }, "abg_NumberofCollisionCentersAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Collision Centers Acquired", "label": "Number of Collision Centers Acquired", "terseLabel": "Number of collision centers acquired (in collision centers)" } } }, "localname": "NumberofCollisionCentersAcquired", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "abg_NumberofCollisionCentersSold": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Collision Centers, Sold", "label": "Number of Collision Centers, Sold", "terseLabel": "Number of collision centers, sold (in collision centers)" } } }, "localname": "NumberofCollisionCentersSold", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "integerItemType" }, "abg_NumberofDealershipLocationsAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Dealership Locations Acquired", "label": "Number of Dealership Locations Acquired", "terseLabel": "Number of dealership locations acquired (in dealership locations)" } } }, "localname": "NumberofDealershipLocationsAcquired", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "abg_NumberofDealershipstobeOpen": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Dealerships to be Open", "label": "Number of Dealerships to be Open", "terseLabel": "Number of dealerships to be open" } } }, "localname": "NumberofDealershipstobeOpen", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "integerItemType" }, "abg_NumberofLuxuryDealershipstobeOpen": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of Luxury Dealerships to be Open", "label": "Number of Luxury Dealerships to be Open", "terseLabel": "Number of luxury dealerships to be open" } } }, "localname": "NumberofLuxuryDealershipstobeOpen", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "integerItemType" }, "abg_OneMonthLondonInterbankOfferedRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "One Month London Interbank Offered Rate [Member]", "label": "One Month London Interbank Offered Rate [Member]", "terseLabel": "One month LIBOR" } } }, "localname": "OneMonthLondonInterbankOfferedRateMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails" ], "xbrltype": "domainItemType" }, "abg_OperatingLeaseAssetHeldforSale": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 3.0, "parentTag": "abg_LeasesRightofUseAsset", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Operating Lease, Asset Held-for-Sale", "label": "Operating Lease, Asset Held-for-Sale", "terseLabel": "Operating Lease, Asset Held-for-Sale" } } }, "localname": "OperatingLeaseAssetHeldforSale", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_OperatingLeaseLiabilityCurrent1": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingLeaseLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Operating Lease, Liability, Current1", "label": "Operating Lease, Liability, Current1", "negatedLabel": "Less: current obligations under leases" } } }, "localname": "OperatingLeaseLiabilityCurrent1", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_OperatingLeaseLiabilityHeldforSaleCurrent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 5.0, "parentTag": "abg_LeasesLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Operating Lease, Liability Held-for-Sale, Current", "label": "Operating Lease, Liability Held-for-Sale, Current", "terseLabel": "Operating Lease, Liability Held-for-Sale, Current" } } }, "localname": "OperatingLeaseLiabilityHeldforSaleCurrent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_OperatingLeaseLiabilityHeldforSaleNoncurrent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 6.0, "parentTag": "abg_LeasesLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Operating Lease, Liability Held-for-Sale, Noncurrent", "label": "Operating Lease, Liability Held-for-Sale, Noncurrent", "terseLabel": "Operating Lease, Liability Held-for-Sale, Noncurrent" } } }, "localname": "OperatingLeaseLiabilityHeldforSaleNoncurrent", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_OperatingLeaseLiabilityNoncurrent1": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingLeaseLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Operating Lease, Liability, Noncurrent1", "label": "Operating Lease, Liability, Noncurrent1", "verboseLabel": "Long-term lease obligation" } } }, "localname": "OperatingLeaseLiabilityNoncurrent1", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_OperatingLeaseLiabilityOperatingActivities": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 16.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Operating Lease Liability, Operating Activities", "label": "Operating Lease Liability, Operating Activities", "negatedTerseLabel": "Operating lease liabilities" } } }, "localname": "OperatingLeaseLiabilityOperatingActivities", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "abg_OperatingLeasesRemainingTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Operating Leases, Remaining Term", "label": "Operating Leases, Remaining Term", "terseLabel": "Operating leases, remaining term" } } }, "localname": "OperatingLeasesRemainingTerm", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails" ], "xbrltype": "durationItemType" }, "abg_OtherAssetsCurrentServiceLoanerVehicles": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/OtherCurrentAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_OtherAssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Other Assets, Current, Service Loaner Vehicles", "label": "Other Assets, Current, Service Loaner Vehicles", "terseLabel": "Loaner vehicles" } } }, "localname": "OtherAssetsCurrentServiceLoanerVehicles", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/OtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "abg_OtherCurrentAssetsLiabilitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other Current (Assets) Liabilities [Member]", "label": "Other Current (Assets) Liabilities [Member]", "terseLabel": "Other current liabilities/(assets)" } } }, "localname": "OtherCurrentAssetsLiabilitiesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails" ], "xbrltype": "domainItemType" }, "abg_OtherMortgageDebtMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other Mortgage Debt [Member]", "label": "Other Mortgage Debt [Member]", "terseLabel": "Other mortgage debt" } } }, "localname": "OtherMortgageDebtMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "domainItemType" }, "abg_OtherNoncashIncomeExpenseOther": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails": { "order": 2.0, "parentTag": "us-gaap_OtherNoncashIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Other Noncash Income (Expense), Other", "label": "Other Noncash Income (Expense), Other", "negatedTerseLabel": "Other individually immaterial items" } } }, "localname": "OtherNoncashIncomeExpenseOther", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "abg_OtherNoncurrentAssetsLiabilitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other Noncurrent (Assets) Liabilities [Member]", "label": "Other Noncurrent (Assets) Liabilities [Member]", "terseLabel": "Other long-term liabilities/(assets)" } } }, "localname": "OtherNoncurrentAssetsLiabilitiesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails" ], "xbrltype": "domainItemType" }, "abg_OtherTradeAccountsReceivableMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Other Trade Accounts Receivable [Member]", "label": "Other Trade Accounts Receivable [Member]", "terseLabel": "Other receivables" } } }, "localname": "OtherTradeAccountsReceivableMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "abg_ParkPlaceMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Park Place [Member]", "label": "Park Place [Member]", "terseLabel": "Park Place" } } }, "localname": "ParkPlaceMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_PartsAndAccessoriesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Parts and Accessories", "label": "Parts and accessories [Member]", "terseLabel": "Parts and accessories" } } }, "localname": "PartsAndAccessoriesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "domainItemType" }, "abg_PartsandservicesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Parts and services [Member]", "label": "Parts and services [Member]", "terseLabel": "Parts and services" } } }, "localname": "PartsandservicesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "abg_PendingDispositionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Pending Disposition [Member]", "label": "Pending Disposition [Member]", "terseLabel": "Pending Disposition" } } }, "localname": "PendingDispositionMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_PremiumsPaidPursuanttoTermsofRedemptionNotice": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Premiums Paid Pursuant to Terms of Redemption Notice", "label": "Premiums Paid Pursuant to Terms of Redemption Notice", "terseLabel": "Premiums paid pursuant to terms of redemption notice" } } }, "localname": "PremiumsPaidPursuanttoTermsofRedemptionNotice", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "abg_PreviouslyLeasedRealEstatePurchasedLossDueToTerminationOfRelatedLeaseObligations": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Previously Leased Real Estate Purchased, Loss due to Termination of Related Lease Obligations", "label": "Previously Leased Real Estate Purchased, Loss due to Termination of Related Lease Obligations", "terseLabel": "Previously leased real estate purchased, loss due to termination of related lease obligations" } } }, "localname": "PreviouslyLeasedRealEstatePurchasedLossDueToTerminationOfRelatedLeaseObligations", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_PreviouslyLeasedRealEstatePurchasedPurchasePrice": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Previously Leased Real Estate Purchased, Purchase Price", "label": "Previously Leased Real Estate Purchased, Purchase Price", "terseLabel": "Previously leased real estate purchased, purchase price" } } }, "localname": "PreviouslyLeasedRealEstatePurchasedPurchasePrice", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_PrevoiuslyLeasedRealEstatePurchasedNumberOfPurchasesDuringPeriod": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Prevoiusly Leased Real Estate Purchased, Number of Purchases During Period", "label": "Prevoiusly Leased Real Estate Purchased, Number of Purchases During Period", "terseLabel": "Previously leased real estate purchased, number of purchases" } } }, "localname": "PrevoiuslyLeasedRealEstatePurchasedNumberOfPurchasesDuringPeriod", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails" ], "xbrltype": "integerItemType" }, "abg_ProceedsFromFloorPlanBorrowingsNonTrade": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Borrowings of floorplan notes payable to parties other than the manufacturer of the new vehicle and all floorplan notes payable related to pre-owned vehicles.", "label": "Proceeds From Floor Plan Borrowings Non Trade", "terseLabel": "Floor plan borrowings\u2014non-trade" } } }, "localname": "ProceedsFromFloorPlanBorrowingsNonTrade", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "abg_PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetAccumulatedDepreciationandAmortization": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails": { "order": 2.0, "parentTag": "abg_PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization", "label": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization", "negatedLabel": "Less - Accumulated depreciation" } } }, "localname": "PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetAccumulatedDepreciationandAmortization", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "abg_PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization", "label": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization", "totalLabel": "Property and equipment, net" } } }, "localname": "PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "abg_PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails": { "order": 1.0, "parentTag": "abg_PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetafterAccumulatedDepreciationandAmortization", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization", "label": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization", "terseLabel": "Property and equipment, gross" } } }, "localname": "PropertyPlantandEquipmentandFinanceLeaseRightofUseAssetbeforeAccumulatedDepreciationandAmortization", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "abg_PurchaserMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Purchaser [Member]", "label": "Purchaser [Member]", "terseLabel": "Purchaser" } } }, "localname": "PurchaserMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details" ], "xbrltype": "domainItemType" }, "abg_RealEstateNotCurrentlyUsedinOperationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Real Estate Not Currently Used in Operations [Member]", "label": "Real Estate Not Currently Used in Operations [Member]", "terseLabel": "Real Estate Not Currently Used in Operations" } } }, "localname": "RealEstateNotCurrentlyUsedinOperationsMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_ReastatedCreditAgreementMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Reastated Credit Agreement [Member]", "label": "Reastated Credit Agreement [Member]", "terseLabel": "Reastated Credit Agreement" } } }, "localname": "ReastatedCreditAgreementMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_ReductionToNewVehicleCostOfSalesByAutomobileManufacturerIncentives": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Reduction to New Vehicle Cost of Sales by Automobile Manufacturer Incentives", "label": "Reduction to New Vehicle Cost of Sales by Automobile Manufacturer Incentives", "terseLabel": "Reduction to new vehicle cost of sales by automobile manufacturer incentives" } } }, "localname": "ReductionToNewVehicleCostOfSalesByAutomobileManufacturerIncentives", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "monetaryItemType" }, "abg_RepaymentsOfFloorPlanPayablesNonTrade": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Repayments of floorplan notes payable to parties other than the manufacturer of the new vehicle and all floorplan notes payable related to pre-owned vehicles.", "label": "Repayments Of Floor Plan Payables Non Trade", "negatedLabel": "Floor plan repayments\u2014non-trade" } } }, "localname": "RepaymentsOfFloorPlanPayablesNonTrade", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "abg_RepaymentsOfFloorPlanPayablesNonTradeDivestitures": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Repayment of floor plan payables non trade associated with the sale of the related franchise.", "label": "Repayments Of Floor Plan Payables Non Trade Divestitures", "negatedLabel": "Floor plan repayments\u2014divestitures" } } }, "localname": "RepaymentsOfFloorPlanPayablesNonTradeDivestitures", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "abg_RevolvingCreditFacility1Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Revolving Credit Facility1 [Member]", "label": "Revolving Credit Facility1 [Member]", "terseLabel": "Revolving Credit Facility1" } } }, "localname": "RevolvingCreditFacility1Member", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_SaleofvehiclepartsandaccessoriesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Sale of vehicle parts and accessories [Member]", "label": "Sale of vehicle parts and accessories [Member]", "terseLabel": "Sale of vehicle parts and accessories" } } }, "localname": "SaleofvehiclepartsandaccessoriesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "abg_ScheduleOfBusinessOrganizationTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Business Organization [Table]", "label": "Schedule of Business Organization [Table]", "terseLabel": "Schedule of Business Organization" } } }, "localname": "ScheduleOfBusinessOrganizationTable", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "stringItemType" }, "abg_ScheduleOfComponentsOfInventoryTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Components of Inventory [Table]", "label": "Schedule of Components of Inventory [Table]", "terseLabel": "Schedule of Components of Inventory [Table]" } } }, "localname": "ScheduleOfComponentsOfInventoryTable", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "stringItemType" }, "abg_ScheduleOfMortgageNotesPayableTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Mortgage Notes Payable [Table Text Block]", "label": "Schedule of Mortgage Notes Payable [Table Text Block]", "terseLabel": "Schedule of Mortgage Notes Payable" } } }, "localname": "ScheduleOfMortgageNotesPayableTableTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "abg_ScheduleOfOtherLongTermLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Other Long-Term Liabilities [Table Text Block]", "label": "Schedule of Other Long-Term Liabilities [Table Text Block]", "terseLabel": "Schedule of Other Long-Term Liabilities" } } }, "localname": "ScheduleOfOtherLongTermLiabilitiesTableTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/OtherLongTermLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "abg_ScheduleOfRevenueByMajorBrandTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Revenue by Major Brand [Table Text Block]", "label": "Schedule of Revenue by Major Brand [Table Text Block]", "terseLabel": "Schedule of Revenue by Major Brand" } } }, "localname": "ScheduleOfRevenueByMajorBrandTableTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables" ], "xbrltype": "textBlockItemType" }, "abg_ScheduleOfRevenuesByMajorBrandLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "[Line Items] for Schedule of Revenues by Major Brand [Table]", "label": "Schedule of Revenues by Major Brand [Line Items]", "terseLabel": "Schedule of Revenues by Major Brand [Line Items]" } } }, "localname": "ScheduleOfRevenuesByMajorBrandLineItems", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "stringItemType" }, "abg_ScheduleOfRevenuesByMajorBrandTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of Revenues by Major Brand [Table]", "label": "Schedule of Revenues by Major Brand [Table]", "terseLabel": "Schedule of Revenues by Major Brand [Table]" } } }, "localname": "ScheduleOfRevenuesByMajorBrandTable", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "stringItemType" }, "abg_SelfInsurancePolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Self Insurance, Policy [Policy Text Block]", "label": "Self Insurance, Policy [Policy Text Block]", "terseLabel": "Insurance" } } }, "localname": "SelfInsurancePolicyPolicyTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "abg_SeniorCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Senior Credit Facility [Member]", "label": "Senior Credit Facility [Member]", "terseLabel": "Senior Credit Facility" } } }, "localname": "SeniorCreditFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_ShareRepurchasePolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share Repurchase Policy [Policy Text Block]", "label": "Share Repurchase Policy [Policy Text Block]", "terseLabel": "Share Repurchase" } } }, "localname": "ShareRepurchasePolicyPolicyTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "abg_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsMaximumPercentofTargetEarned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Maximum Percent of Target Earned", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Maximum Percent of Target Earned", "terseLabel": "Maximum percent of target earned" } } }, "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsMaximumPercentofTargetEarned", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails" ], "xbrltype": "percentItemType" }, "abg_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofInstrumentsProvidedforGrant": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Instruments Provided for Grant", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Instruments Provided for Grant", "terseLabel": "Number of instruments provided for grant" } } }, "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofInstrumentsProvidedforGrant", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "abg_SharebasedCompensationArrangementbySharebasedPaymentAwardPercentofTargetNumberofSharesEarned": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Percent of Target Number of Shares Earned", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Percent of Target Number of Shares Earned", "terseLabel": "Shares that could be earned, range" } } }, "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardPercentofTargetNumberofSharesEarned", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails" ], "xbrltype": "percentItemType" }, "abg_SixPointZeroPercentSeniorSubordinatedNotesDue2024Member": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Six Point Zero Percent Senior Subordinated Notes Due 2024 [Member]", "label": "Six Point Zero Percent Senior Subordinated Notes Due 2024 [Member]", "terseLabel": "6.0% Senior Subordinated Notes due 2024" } } }, "localname": "SixPointZeroPercentSeniorSubordinatedNotesDue2024Member", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_StatementOfCashFlowsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Statement of Cash Flows, Policy [Policy Text Block]", "label": "Statement of Cash Flows, Policy [Policy Text Block]", "terseLabel": "Statements of Cash Flows" } } }, "localname": "StatementOfCashFlowsPolicyPolicyTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "abg_SummaryofAssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSaleTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Summary of Assets Held for Sale and Liabilities Associated with Assets Held for Sale [Table Text Block]", "label": "Summary of Assets Held for Sale and Liabilities Associated with Assets Held for Sale [Table Text Block]", "terseLabel": "Summary of Assets Held for Sale and Liabilities Associated with Assets Held for Sale" } } }, "localname": "SummaryofAssetsHeldforSaleandLiabilitiesAssociatedwithAssetsHeldforSaleTableTextBlock", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleTables" ], "xbrltype": "textBlockItemType" }, "abg_SwapInterestExpense": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 4.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Interest expense associated with our various derivative financial instruments.", "label": "Swap Interest Expense", "terseLabel": "Swap interest expense" } } }, "localname": "SwapInterestExpense", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "abg_TaxCutsandJobsActIncomeLossonTaxAdjustments": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Tax Cuts and Jobs Act, Income (Loss) on Tax Adjustments", "label": "Tax Cuts and Jobs Act, Income (Loss) on Tax Adjustments", "negatedTerseLabel": "Loss on tax adjustments" } } }, "localname": "TaxCutsandJobsActIncomeLossonTaxAdjustments", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "abg_TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxLiabilityIncomeTaxExpenseBenefit": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of income tax (expense) benefit for\nremeasurement of deferred tax liability from change in tax\nrate pursuant to Tax Cuts and Jobs Act of 2017.", "label": "Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Deferred Tax Liability, Income Tax (Expense) Benefit", "terseLabel": "Remeasurement of our deferred tax balance" } } }, "localname": "TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxLiabilityIncomeTaxExpenseBenefit", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "abg_TaxesPayableCurrentExcludingIncomeTaxesPayable": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Taxes Payable, Current, Excluding Income Taxes Payable", "label": "Taxes Payable, Current, Excluding Income Taxes Payable", "terseLabel": "Taxes payable" } } }, "localname": "TaxesPayableCurrentExcludingIncomeTaxesPayable", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_ToyotaMotorSalesU.S.A.Inc.ToyotaandLexusMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Toyota Motor Sales, U.S.A., Inc. (Toyota and Lexus) [Member]", "label": "Toyota Motor Sales, U.S.A., Inc. (Toyota and Lexus) [Member]", "terseLabel": "Toyota Motor Sales, U.S.A., Inc. (Toyota and Lexus)" } } }, "localname": "ToyotaMotorSalesU.S.A.Inc.ToyotaandLexusMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "domainItemType" }, "abg_TypeOfBrandAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Type of Brand [Axis]", "label": "Type of Brand [Axis]", "terseLabel": "Type of Brand [Axis]" } } }, "localname": "TypeOfBrandAxis", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "stringItemType" }, "abg_TypeOfBrandDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Type of Brand [Domain]", "label": "Type of Brand [Domain]", "terseLabel": "Type of Brand [Domain]" } } }, "localname": "TypeOfBrandDomain", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfRevenuesByMajorBrandDetails" ], "xbrltype": "domainItemType" }, "abg_UnclaimedProperty": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Unclaimed Property", "label": "Unclaimed Property", "terseLabel": "Unclaimed property" } } }, "localname": "UnclaimedProperty", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "abg_UsedVehicleCostOfSales": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 2.0, "parentTag": "us-gaap_CostOfRevenue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Cost associated with used vehicle revenues, including the sale of used vehicles to individual retail customers and the wholesaling of used vehicles primarily to auctions or other dealers.", "label": "Used Vehicle Cost of Sales", "terseLabel": "Used vehicle" } } }, "localname": "UsedVehicleCostOfSales", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "abg_UsedVehicleFloorPlanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Used Vehicle Floor Plan Facility [Member]", "label": "Used Vehicle Floor Plan Facility [Member]", "terseLabel": "Used Vehicle Floor Plan Facility" } } }, "localname": "UsedVehicleFloorPlanFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "abg_UsedVehicleRevenue": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 1.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Used vehicle revenues include the sale of used vehicles to individual retail customers and the wholesaling of used vehicles primarily to auctions or other dealers.", "label": "Used Vehicle Revenue", "terseLabel": "Used vehicle" } } }, "localname": "UsedVehicleRevenue", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "abg_UsedVehicleRevolvingFloorPlanFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Used Vehicle Revolving Floor Plan Facility [Member]", "label": "Used Vehicle Revolving Floor Plan Facility [Member]", "terseLabel": "Used Vehicle Revolving Floor Plan Facility" } } }, "localname": "UsedVehicleRevolvingFloorPlanFacilityMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_UsedVehiclesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Used Vehicles", "label": "Used Vehicles [Member]", "terseLabel": "Used vehicles" } } }, "localname": "UsedVehiclesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "domainItemType" }, "abg_UsedvehicleretailMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Used vehicle retail [Member]", "label": "Used vehicle retail [Member]", "terseLabel": "Used vehicle retail" } } }, "localname": "UsedvehicleretailMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "abg_UsedvehiclewholesaleMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Used vehicle wholesale [Member]", "label": "Used vehicle wholesale [Member]", "terseLabel": "Used vehicle wholesale" } } }, "localname": "UsedvehiclewholesaleMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "abg_VacantPropertyMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vacant Property [Member]", "label": "Vacant Property [Member]", "terseLabel": "Vacant Property" } } }, "localname": "VacantPropertyMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "domainItemType" }, "abg_VehicleReceivablesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vehicle Receivables [Member]", "label": "Vehicle Receivables [Member]", "terseLabel": "Vehicle receivables" } } }, "localname": "VehicleReceivablesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "abg_VehiclerepairandmaintenanceservicesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Vehicle repair and maintenance services [Member]", "label": "Vehicle repair and maintenance services [Member]", "terseLabel": "Vehicle repair and maintenance services" } } }, "localname": "VehiclerepairandmaintenanceservicesMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails", "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "abg_WellsFargoBankNationalAssociationMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Wells Fargo Bank, National Association [Member]", "label": "Wells Fargo Bank, National Association [Member]", "terseLabel": "Wells Fargo" } } }, "localname": "WellsFargoBankNationalAssociationMember", "nsuri": "http://www.asburyauto.com/20191231", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails" ], "xbrltype": "domainItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag", "terseLabel": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Area code of city", "label": "City Area Code", "terseLabel": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Cover page.", "label": "Cover page." } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "xbrltype": "stringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date", "terseLabel": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r468" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as an annual report.", "label": "Document Annual Report", "terseLabel": "Document Annual Report" } } }, "localname": "DocumentAnnualReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus", "terseLabel": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus", "terseLabel": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "gYearItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.", "label": "Document Period End Date", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "dateItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r467" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report", "terseLabel": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.", "label": "Document Type", "terseLabel": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "submissionTypeItemType" }, "dei_DocumentsIncorporatedByReferenceTextBlock": { "auth_ref": [ "r465" ], "lang": { "en-US": { "role": { "documentation": "Documents incorporated by reference.", "label": "Documents Incorporated by Reference [Text Block]", "terseLabel": "Documents Incorporated by Reference" } } }, "localname": "DocumentsIncorporatedByReferenceTextBlock", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "textBlockItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One", "terseLabel": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressAddressLine2": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Address Line 2 such as Street or Suite number", "label": "Entity Address, Address Line Two", "terseLabel": "Entity Address, Address Line Two" } } }, "localname": "EntityAddressAddressLine2", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town", "terseLabel": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code", "terseLabel": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province", "terseLabel": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key", "terseLabel": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding", "terseLabel": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.", "label": "Entity [Domain]", "terseLabel": "Entity [Domain]" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company", "terseLabel": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Entity File Number", "terseLabel": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category", "terseLabel": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "filerCategoryItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code", "terseLabel": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r471" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current", "terseLabel": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityPublicFloat": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.", "label": "Entity Public Float", "terseLabel": "Entity Public Float" } } }, "localname": "EntityPublicFloat", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "monetaryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name", "terseLabel": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company", "terseLabel": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business", "terseLabel": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r469" ], "lang": { "en-US": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number", "terseLabel": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "employerIdItemType" }, "dei_EntityVoluntaryFilers": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.", "label": "Entity Voluntary Filers", "terseLabel": "Entity Voluntary Filers" } } }, "localname": "EntityVoluntaryFilers", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_EntityWellKnownSeasonedIssuer": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.", "label": "Entity Well-known Seasoned Issuer", "terseLabel": "Entity Well-known Seasoned Issuer" } } }, "localname": "EntityWellKnownSeasonedIssuer", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "yesNoItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]", "terseLabel": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number", "terseLabel": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r464" ], "lang": { "en-US": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security", "terseLabel": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r466" ], "lang": { "en-US": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name", "terseLabel": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol", "terseLabel": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CoverPage" ], "xbrltype": "tradingSymbolItemType" }, "srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock": { "auth_ref": [ "r470" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation.", "label": "Contractual Obligation, Fiscal Year Maturity [Table Text Block]", "terseLabel": "Schedule of Aggregate Maturities" } } }, "localname": "ContractualObligationFiscalYearMaturityScheduleTableTextBlock", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "srt_MaximumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Upper limit of the provided range.", "label": "Maximum [Member]", "terseLabel": "Maximum" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Lower limit of the provided range.", "label": "Minimum [Member]", "terseLabel": "Minimum" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails" ], "xbrltype": "domainItemType" }, "srt_ProductOrServiceAxis": { "auth_ref": [ "r170", "r249", "r251", "r455", "r456" ], "lang": { "en-US": { "role": { "documentation": "Information by product and service, or group of similar products and similar services.", "label": "Product and Service [Axis]", "terseLabel": "Product and Service [Axis]" } } }, "localname": "ProductOrServiceAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "stringItemType" }, "srt_ProductsAndServicesDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Product or service, or a group of similar products or similar services.", "label": "Product and Service [Domain]", "terseLabel": "Product and Service [Domain]" } } }, "localname": "ProductsAndServicesDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median.", "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioForecastMember": { "auth_ref": [ "r472" ], "lang": { "en-US": { "role": { "documentation": "Information reported for future period.", "label": "Forecast [Member]", "terseLabel": "Forecast [Member]" } } }, "localname": "ScenarioForecastMember", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.", "label": "Scenario [Domain]", "terseLabel": "Scenario [Domain]" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "srt_SegmentGeographicalDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Geographical area.", "label": "Geographical [Domain]", "terseLabel": "Geographical [Domain]" } } }, "localname": "SegmentGeographicalDomain", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails", "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "domainItemType" }, "srt_StatementGeographicalAxis": { "auth_ref": [ "r171", "r249", "r252", "r457", "r461", "r463", "r473", "r474" ], "lang": { "en-US": { "role": { "documentation": "Information by geographical components.", "label": "Geographical [Axis]", "terseLabel": "Geographical [Axis]" } } }, "localname": "StatementGeographicalAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails", "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "stringItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [ "r219", "r422" ], "lang": { "en-US": { "role": { "documentation": "Information by scenario reported, distinguishing information from actual fact. Includes, but is not limited to, pro forma and forecast. Excludes actual facts.", "label": "Scenario [Axis]", "terseLabel": "Scenario [Axis]" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "stpr_CO": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "COLORADO", "terseLabel": "Colorado" } } }, "localname": "CO", "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "stpr_GA": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "GEORGIA", "terseLabel": "Georgia" } } }, "localname": "GA", "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "stpr_IN": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "INDIANA", "terseLabel": "Indiana" } } }, "localname": "IN", "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "domainItemType" }, "stpr_TX": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "TEXAS", "terseLabel": "Texas" } } }, "localname": "TX", "nsuri": "http://xbrl.sec.gov/stpr/2018-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Accounting Policies [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountingStandardsUpdate201409Member": { "auth_ref": [ "r253" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2014-09 Revenue from Contracts with Customers (Topic 606).", "label": "Accounting Standards Update 2014-09 [Member]", "terseLabel": "ASU 2014-09" } } }, "localname": "AccountingStandardsUpdate201409Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201609Member": { "auth_ref": [ "r285", "r286", "r287", "r288", "r289", "r290", "r291", "r292", "r293", "r294" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2016-09 Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting.", "label": "Accounting Standards Update 2016-09 [Member]", "terseLabel": "ASU 2016-09" } } }, "localname": "AccountingStandardsUpdate201609Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingStandardsUpdate201811Member": { "auth_ref": [ "r402" ], "lang": { "en-US": { "role": { "documentation": "Accounting Standards Update 2018-11 Leases (Topic 842): Targeted Improvements.", "label": "Accounting Standards Update 2018-11 [Member]", "terseLabel": "Accounting Standards Update 2018-11" } } }, "localname": "AccountingStandardsUpdate201811Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsNotesAndLoansReceivableLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Accounts, Notes, Loans and Financing Receivable [Line Items]", "terseLabel": "Accounts, Notes, Loans and Financing Receivable [Line Items]" } } }, "localname": "AccountsNotesAndLoansReceivableLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis": { "auth_ref": [ "r69" ], "lang": { "en-US": { "role": { "documentation": "Information by type of receivable.", "label": "Receivable Type [Axis]", "terseLabel": "Receivable Type [Axis]" } } }, "localname": "AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent": { "auth_ref": [ "r58" ], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.", "label": "Accounts Payable and Accrued Liabilities, Current", "terseLabel": "Accounts payable and accrued liabilities", "totalLabel": "Accounts payable and accrued liabilities" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails", "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock": { "auth_ref": [ "r56" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.", "label": "Accounts Payable and Accrued Liabilities Disclosure [Text Block]", "terseLabel": "ACCOUNTS PAYABLE AND ACCRUED LIABILITIES" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilities" ], "xbrltype": "textBlockItemType" }, "us-gaap_AccountsPayableAndAccruedLiabilitiesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing accounts payable and accrued liabilities.", "label": "Accounts Payable and Accrued Liabilities [Member]", "terseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountsPayableCurrent": { "auth_ref": [ "r55" ], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accounts Payable, Current", "terseLabel": "Accounts payable" } } }, "localname": "AccountsPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableGrossCurrent": { "auth_ref": [ "r172", "r173" ], "calculation": { "http://www.asburyauto.com/role/AccountsReceivableDetails": { "order": 1.0, "parentTag": "us-gaap_ReceivablesNetCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.", "label": "Accounts Receivable, before Allowance for Credit Loss, Current", "terseLabel": "Total accounts receivable" } } }, "localname": "AccountsReceivableGrossCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedAdvertisingCurrentAndNoncurrent": { "auth_ref": [ "r33", "r35", "r431", "r444" ], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 9.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable for advertising of the entity's goods and services.", "label": "Accrued Advertising", "terseLabel": "Accrued advertising" } } }, "localname": "AccruedAdvertisingCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedInsuranceCurrent": { "auth_ref": [ "r25", "r26", "r59" ], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Insurance, Current", "terseLabel": "Accrued insurance" } } }, "localname": "AccruedInsuranceCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "auth_ref": [ "r76", "r79", "r80" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax", "terseLabel": "Accumulated other comprehensive loss" } } }, "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "auth_ref": [ "r75", "r80", "r81", "r350" ], "lang": { "en-US": { "role": { "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners.", "label": "AOCI Attributable to Parent [Member]", "terseLabel": "Accumulated Other Comprehensive Income (Loss)" } } }, "localname": "AccumulatedOtherComprehensiveIncomeMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "auth_ref": [ "r41" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.", "label": "Additional Paid in Capital, Common Stock", "terseLabel": "Additional paid-in capital" } } }, "localname": "AdditionalPaidInCapitalCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders.", "label": "Additional Paid-in Capital [Member]", "terseLabel": "Additional Paid-in Capital" } } }, "localname": "AdditionalPaidInCapitalMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": { "auth_ref": [ "r129" ], "lang": { "en-US": { "role": { "documentation": "Information by new accounting pronouncement.", "label": "Adjustments for New Accounting Pronouncements [Axis]", "terseLabel": "Adjustments for New Accounting Pronouncements [Axis]" } } }, "localname": "AdjustmentsForNewAccountingPronouncementsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/LeasesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Decrease for Tax Withholding Obligation", "negatedTerseLabel": "Repurchase of common stock associated with net share settlements of employee share-based awards" } } }, "localname": "AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": { "auth_ref": [ "r265", "r267", "r296", "r297" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.", "label": "APIC, Share-based Payment Arrangement, Increase for Cost Recognition", "terseLabel": "Share-based compensation" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Adjustments to reconcile net income to net cash provided by operating activities\u2014" } } }, "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_AdvertisingCostsPolicyTextBlock": { "auth_ref": [ "r299" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for advertising cost.", "label": "Advertising Cost [Policy Text Block]", "terseLabel": "Advertising" } } }, "localname": "AdvertisingCostsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_AdvertisingExpense": { "auth_ref": [ "r300" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.", "label": "Advertising Expense", "terseLabel": "Advertising expense" } } }, "localname": "AdvertisingExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllocatedShareBasedCompensationExpense": { "auth_ref": [ "r267", "r282", "r295" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.", "label": "Share-based Payment Arrangement, Expense", "terseLabel": "Share-based compensation expense" } } }, "localname": "AllocatedShareBasedCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": { "auth_ref": [ "r46", "r174", "r177" ], "calculation": { "http://www.asburyauto.com/role/AccountsReceivableDetails": { "order": 2.0, "parentTag": "us-gaap_ReceivablesNetCurrent", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of allowance for credit loss on accounts receivable, classified as current.", "label": "Accounts Receivable, Allowance for Credit Loss, Current", "negatedTerseLabel": "Less\u2014Allowance for doubtful accounts" } } }, "localname": "AllowanceForDoubtfulAccountsReceivableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AmortizationOfFinancingCosts": { "auth_ref": [ "r91", "r111", "r391" ], "calculation": { "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails": { "order": 1.0, "parentTag": "us-gaap_OtherNoncashIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of amortization expense attributable to debt issuance costs.", "label": "Amortization of Debt Issuance Costs", "verboseLabel": "Amortization of debt issuance costs" } } }, "localname": "AmortizationOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetImpairmentCharges": { "auth_ref": [ "r111", "r202" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.", "label": "Asset Impairment Charges", "terseLabel": "Asset impairment charges" } } }, "localname": "AssetImpairmentCharges", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Assets": { "auth_ref": [ "r166", "r427", "r443" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets", "totalLabel": "Total assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets [Abstract]", "terseLabel": "ASSETS" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r22", "r24", "r73" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets, Current", "totalLabel": "Total current assets" } } }, "localname": "AssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Assets, Current [Abstract]", "terseLabel": "CURRENT ASSETS:" } } }, "localname": "AssetsCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup": { "auth_ref": [ "r200" ], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets held-for-sale that are not part of a disposal group.", "label": "Assets Held-for-sale, Not Part of Disposal Group", "terseLabel": "Assets held for sale", "totalLabel": "Net assets held for sale" } } }, "localname": "AssetsHeldForSaleNotPartOfDisposalGroup", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails", "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent": { "auth_ref": [ "r200" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.", "label": "Assets Held-for-sale, Not Part of Disposal Group, Current", "terseLabel": "Assets held for sale" } } }, "localname": "AssetsHeldForSaleNotPartOfDisposalGroupCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation": { "auth_ref": [ "r0", "r1", "r12", "r14", "r210" ], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount classified as assets attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Assets", "totalLabel": "Total Assets" } } }, "localname": "AssetsOfDisposalGroupIncludingDiscontinuedOperation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Disposal Group, Including Discontinued Operation, Assets [Abstract]", "terseLabel": "Assets:" } } }, "localname": "AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r269", "r284" ], "lang": { "en-US": { "role": { "documentation": "Information by type of award under share-based payment arrangement.", "label": "Award Type [Axis]", "terseLabel": "Award Type [Axis]" } } }, "localname": "AwardTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by location on balance sheet (statement of financial position).", "label": "Balance Sheet Location [Axis]", "terseLabel": "Balance Sheet Location [Axis]" } } }, "localname": "BalanceSheetLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails", "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BalanceSheetLocationDomain": { "auth_ref": [ "r363", "r366" ], "lang": { "en-US": { "role": { "documentation": "Location in the balance sheet (statement of financial position).", "label": "Balance Sheet Location [Domain]", "terseLabel": "Balance Sheet Location [Domain]" } } }, "localname": "BalanceSheetLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails", "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BaseRateMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Minimum rate investor will accept.", "label": "Base Rate [Member]", "terseLabel": "Base Rate" } } }, "localname": "BaseRateMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).", "label": "Basis of Accounting, Policy [Policy Text Block]", "terseLabel": "Basis of Presentation" } } }, "localname": "BasisOfAccountingPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_BuildingAndBuildingImprovementsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities and any addition, improvement, or renovation to the structure, for example, but not limited to, interior masonry, interior flooring, electrical, and plumbing.", "label": "Building and Building Improvements [Member]", "terseLabel": "Buildings and leasehold improvements", "verboseLabel": "Buildings and improvements" } } }, "localname": "BuildingAndBuildingImprovementsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BusinessAcquisitionAcquireeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree.", "label": "Business Acquisition, Acquiree [Domain]", "terseLabel": "Business Acquisition, Acquiree [Domain]" } } }, "localname": "BusinessAcquisitionAcquireeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails", "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_BusinessAcquisitionAxis": { "auth_ref": [ "r331", "r332" ], "lang": { "en-US": { "role": { "documentation": "Information by business combination or series of individually immaterial business combinations.", "label": "Business Acquisition [Axis]", "terseLabel": "Business Acquisition [Axis]" } } }, "localname": "BusinessAcquisitionAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails", "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessAcquisitionLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Business Acquisition [Line Items]", "terseLabel": "Business Acquisition [Line Items]" } } }, "localname": "BusinessAcquisitionLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails", "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_BusinessCombinationConsiderationTransferred1": { "auth_ref": [ "r337", "r338", "r339" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.", "label": "Business Combination, Consideration Transferred", "terseLabel": "Aggregate purchase price" } } }, "localname": "BusinessCombinationConsiderationTransferred1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred": { "auth_ref": [ "r336", "r337", "r338", "r342" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.", "label": "Business Combination, Consideration Transferred, Liabilities Incurred", "terseLabel": "Floor plan borrowings for puchase of related inventory" } } }, "localname": "BusinessCombinationConsiderationTransferredLiabilitiesIncurred", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationConsiderationTransferredOther1": { "auth_ref": [ "r341" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.", "label": "Business Combination, Consideration Transferred, Other", "terseLabel": "Purchase price holdbacks" } } }, "localname": "BusinessCombinationConsiderationTransferredOther1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill": { "auth_ref": [ "r334" ], "calculation": { "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails": { "order": 5.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of intangible assets, excluding goodwill, acquired at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill", "terseLabel": "Manufacturer franchise rights" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory": { "auth_ref": [ "r333", "r334" ], "calculation": { "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails": { "order": 1.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of inventory recognized as of the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory", "terseLabel": "Inventory" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities": { "auth_ref": [ "r334" ], "calculation": { "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails": { "order": 7.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities assumed at the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities", "negatedTerseLabel": "Liabilities assumed" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment": { "auth_ref": [ "r333", "r334" ], "calculation": { "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails": { "order": 3.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of property, plant, and equipment recognized as of the acquisition date.", "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment", "terseLabel": "Property and equipment" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet": { "auth_ref": [ "r334" ], "calculation": { "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.", "label": "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net", "totalLabel": "Total purchase price" } } }, "localname": "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_BusinessCombinationsPolicy": { "auth_ref": [ "r118", "r330" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for completed business combinations (purchase method, acquisition method or combination of entities under common control). This accounting policy may include a general discussion of the purchase method or acquisition method of accounting (including for example, the treatment accorded contingent consideration, the identification of assets and liabilities, the purchase price allocation process, how the fair values of acquired assets and liabilities are determined) and the entity's specific application thereof. An entity that acquires another entity in a leveraged buyout transaction generally discloses the accounting policy followed by the acquiring entity in determining the basis used to value its interest in the acquired entity, and the rationale for that accounting policy.", "label": "Business Combinations Policy [Policy Text Block]", "terseLabel": "Acquisitions" } } }, "localname": "BusinessCombinationsPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_BusinessDescriptionAndAccountingPoliciesTextBlock": { "auth_ref": [ "r128", "r160" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for the business description and accounting policies concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Accounting policies describe all significant accounting policies of the reporting entity.", "label": "Business Description and Accounting Policies [Text Block]", "terseLabel": "DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES" } } }, "localname": "BusinessDescriptionAndAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CapitalLeaseObligations": { "auth_ref": [ "r34", "r400", "r446" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.", "label": "Capital Lease Obligations", "terseLabel": "Capital lease" } } }, "localname": "CapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDue": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases.", "label": "Capital Leases, Future Minimum Payments Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]", "terseLabel": "Capital" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due, Next Twelve Months", "terseLabel": "2019" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Five Years", "terseLabel": "2023" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Four Years", "terseLabel": "2022" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Three Years", "terseLabel": "2021" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due in Two Years", "terseLabel": "2020" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueInTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Capital Leases, Future Minimum Payments Due Thereafter", "terseLabel": "Thereafter" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsDueThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount necessary to reduce net minimum lease payments to present value for capital leases.", "label": "Capital Leases, Future Minimum Payments, Interest Included in Payments", "negatedTerseLabel": "Less: Amounts representing interest" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments": { "auth_ref": [ "r400" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.", "label": "Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments", "totalLabel": "Total minimum lease payments, present value" } } }, "localname": "CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r18", "r51", "r113" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.", "label": "Cash and Cash Equivalents, at Carrying Value", "periodEndLabel": "CASH AND CASH EQUIVALENTS, end of period", "periodStartLabel": "CASH AND CASH EQUIVALENTS, beginning of period" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.", "label": "Cash and Cash Equivalents, Period Increase (Decrease)", "totalLabel": "Net (decrease) increase in cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsPeriodIncreaseDecrease", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsPolicyTextBlock": { "auth_ref": [ "r29", "r114", "r118" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.", "label": "Cash and Cash Equivalents, Policy [Policy Text Block]", "terseLabel": "Cash and Cash Equivalents" } } }, "localname": "CashAndCashEquivalentsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r107", "r113", "r116" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents", "terseLabel": "Cash and cash equivalents" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashFlowSupplementalDisclosuresTextBlock": { "auth_ref": [ "r117" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.", "label": "Cash Flow, Supplemental Disclosures [Text Block]", "terseLabel": "SUPPLEMENTAL CASH FLOW INFORMATION" } } }, "localname": "CashFlowSupplementalDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r65", "r218", "r434", "r451" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.", "label": "Commitments and Contingencies", "terseLabel": "COMMITMENTS AND CONTINGENCIES (Note 20)" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r217", "r225" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for commitments and contingencies.", "label": "Commitments and Contingencies Disclosure [Text Block]", "terseLabel": "COMMITMENTS AND CONTINGENCIES" } } }, "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingencies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Stock that is subordinate to all other stock of the issuer.", "label": "Common Stock [Member]", "terseLabel": "Common Stock" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r39" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common Stock, Par or Stated Value Per Share", "terseLabel": "Common stock, par value (in dollars per share)" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r39" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common Stock, Shares Authorized", "terseLabel": "Common stock, shares authorized (in shares)" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r39" ], "lang": { "en-US": { "role": { "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.", "label": "Common Stock, Shares, Issued", "terseLabel": "Common stock, shares issued (in shares)" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r39" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Common Stock, Value, Issued", "verboseLabel": "Common stock, $.01 par value, 90,000,000 shares authorized; 41,072,080 and 41,065,069 shares issued, including shares held in treasury, respectively" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CompensationAndEmployeeBenefitPlansTextBlock": { "auth_ref": [ "r255", "r256", "r264", "r298" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.", "label": "Compensation and Employee Benefit Plans [Text Block]", "terseLabel": "SHARE-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS" } } }, "localname": "CompensationAndEmployeeBenefitPlansTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlans" ], "xbrltype": "textBlockItemType" }, "us-gaap_CompensationRelatedCostsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Compensation Related Costs [Abstract]" } } }, "localname": "CompensationRelatedCostsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r83", "r85", "r86" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent", "totalLabel": "Comprehensive income" } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]", "terseLabel": "Comprehensive Income (Loss):" } } }, "localname": "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_ConcentrationRiskCreditRisk": { "auth_ref": [ "r154", "r440" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for credit risk.", "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]", "terseLabel": "Business and Credit Concentration Risk" } } }, "localname": "ConcentrationRiskCreditRisk", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConsolidationPolicyTextBlock": { "auth_ref": [ "r118", "r348", "r353", "r354" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.", "label": "Consolidation, Policy [Policy Text Block]", "terseLabel": "Internal Profit" } } }, "localname": "ConsolidationPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ConstructionInProgressMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.", "label": "Construction in Progress [Member]", "terseLabel": "Construction in progress" } } }, "localname": "ConstructionInProgressMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock": { "auth_ref": [ "r247" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of contract balances and changes in contract balances.", "label": "Contract with Customer, Asset and Liability [Table Text Block]", "terseLabel": "Schedule of Contract with Customer, Assets" } } }, "localname": "ContractWithCustomerAssetAndLiabilityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress": { "auth_ref": [ "r245" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.", "label": "Contract with Customer, Asset, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress", "terseLabel": "Increases related to revenue recognized, inclusive of adjustments to constraint, during the period" } } }, "localname": "ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerAssetNet": { "auth_ref": [ "r243", "r244", "r250" ], "calculation": { "http://www.asburyauto.com/role/OtherCurrentAssetsDetails": { "order": 5.0, "parentTag": "us-gaap_OtherAssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.", "label": "Contract with Customer, Asset, after Allowance for Credit Loss", "periodEndLabel": "Contract Assets (Current), March 31, 2018", "periodStartLabel": "Contract Assets (Current), January 1, 2018", "terseLabel": "Contract assets (see Note 2)" } } }, "localname": "ContractWithCustomerAssetNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherCurrentAssetsDetails", "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerAssetReclassifiedToReceivable": { "auth_ref": [ "r246" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional.", "label": "Contract with Customer, Asset, Reclassified to Receivable", "negatedTerseLabel": "Transferred to receivables from contract assets recognized at the beginning of the period" } } }, "localname": "ContractWithCustomerAssetReclassifiedToReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostOfGoodsAndServicesSold": { "auth_ref": [ "r94" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 3.0, "parentTag": "us-gaap_CostOfRevenue", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.", "label": "Cost of Goods and Services Sold", "terseLabel": "Cost of Goods and Services Sold" } } }, "localname": "CostOfGoodsAndServicesSold", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization": { "auth_ref": [ "r92" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of expense for allocation of cost of tangible and intangible assets over their useful lives directly used in production of good and rendering of service.", "label": "Cost, Depreciation and Amortization", "terseLabel": "Loaner vehicle amortization" } } }, "localname": "CostOfGoodsAndServicesSoldDepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostOfRevenue": { "auth_ref": [ "r95" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 2.0, "parentTag": "us-gaap_GrossProfit", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate cost of goods produced and sold and services rendered during the reporting period.", "label": "Cost of Revenue", "totalLabel": "TOTAL COST OF SALES" } } }, "localname": "CostOfRevenue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostOfRevenueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Cost of Revenue [Abstract]", "terseLabel": "COST OF SALES:" } } }, "localname": "CostOfRevenueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "stringItemType" }, "us-gaap_CreditFacilityAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.", "label": "Credit Facility [Axis]", "terseLabel": "Credit Facility [Axis]" } } }, "localname": "CreditFacilityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CreditFacilityDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing.", "label": "Credit Facility [Domain]", "terseLabel": "Credit Facility [Domain]" } } }, "localname": "CreditFacilityDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.", "label": "Cumulative Effect of New Accounting Principle in Period of Adoption", "terseLabel": "Cumulative effect of change in accounting principle" } } }, "localname": "CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentFederalTaxExpenseBenefit": { "auth_ref": [ "r121", "r319", "r326" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails": { "order": 1.0, "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Current Federal Tax Expense (Benefit)", "terseLabel": "Federal" } } }, "localname": "CurrentFederalTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentIncomeTaxExpenseBenefit": { "auth_ref": [ "r121", "r319", "r326" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.", "label": "Current Income Tax Expense (Benefit)", "totalLabel": "Total Current Income Tax Expense" } } }, "localname": "CurrentIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Current Income Tax Expense (Benefit), Continuing Operations [Abstract]", "terseLabel": "Current:" } } }, "localname": "CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CurrentStateAndLocalTaxExpenseBenefit": { "auth_ref": [ "r121", "r319", "r326" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails": { "order": 2.0, "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Current State and Local Tax Expense (Benefit)", "terseLabel": "State" } } }, "localname": "CurrentStateAndLocalTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Debt Disclosure [Abstract]" } } }, "localname": "DebtDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DebtDisclosureTextBlock": { "auth_ref": [ "r234" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.", "label": "Debt Disclosure [Text Block]", "terseLabel": "LONG-TERM DEBT" } } }, "localname": "DebtDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt" ], "xbrltype": "textBlockItemType" }, "us-gaap_DebtInstrumentAnnualPrincipalPayment": { "auth_ref": [ "r34" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the total principal payments made during the annual reporting period.", "label": "Debt Instrument, Annual Principal Payment", "terseLabel": "Annual principal payment" } } }, "localname": "DebtInstrumentAnnualPrincipalPayment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r32", "r33", "r34", "r428", "r432", "r442" ], "lang": { "en-US": { "role": { "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.", "label": "Debt Instrument [Axis]", "terseLabel": "Debt Instrument [Axis]" } } }, "localname": "DebtInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument.", "label": "Debt Instrument, Basis Spread on Variable Rate", "terseLabel": "Basis spread on variable rate" } } }, "localname": "DebtInstrumentBasisSpreadOnVariableRate1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentCarryingAmount": { "auth_ref": [ "r34", "r231", "r432", "r442" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.", "label": "Long-term Debt, Gross", "terseLabel": "Long-term debt, gross" } } }, "localname": "DebtInstrumentCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtMortgageNotesPayableDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentFaceAmount": { "auth_ref": [ "r390", "r392" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance.", "label": "Debt Instrument, Face Amount", "terseLabel": "Face amount" } } }, "localname": "DebtInstrumentFaceAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentInterestRateEffectivePercentage": { "auth_ref": [ "r62", "r233", "r390" ], "lang": { "en-US": { "role": { "documentation": "Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.", "label": "Debt Instrument, Interest Rate, Effective Percentage", "terseLabel": "Effective percentage" } } }, "localname": "DebtInstrumentInterestRateEffectivePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "auth_ref": [ "r62" ], "lang": { "en-US": { "role": { "documentation": "Contractual interest rate for funds borrowed, under the debt agreement.", "label": "Debt Instrument, Interest Rate, Stated Percentage", "terseLabel": "Stated interest rate of debt instrument", "verboseLabel": "Stated interest rate of debt instrument" } } }, "localname": "DebtInstrumentInterestRateStatedPercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Debt Instrument [Line Items]", "terseLabel": "Debt Instrument [Line Items]" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtMortgageNotesPayableDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r63" ], "lang": { "en-US": { "role": { "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.", "label": "Debt Instrument, Name [Domain]", "terseLabel": "Debt Instrument, Name [Domain]" } } }, "localname": "DebtInstrumentNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPricePercentage": { "auth_ref": [ "r438" ], "lang": { "en-US": { "role": { "documentation": "Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.", "label": "Debt Instrument, Redemption Price, Percentage", "terseLabel": "Redemption price, percentage" } } }, "localname": "DebtInstrumentRedemptionPricePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage of principal amount of debt redeemed.", "label": "Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed", "terseLabel": "Redemption price" } } }, "localname": "DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details" ], "xbrltype": "percentItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r63", "r122", "r236", "r237", "r238", "r239", "r389", "r390", "r392", "r439" ], "lang": { "en-US": { "role": { "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Schedule of Long-term Debt Instruments [Table]", "terseLabel": "Schedule of Long-term Debt Instruments [Table]" } } }, "localname": "DebtInstrumentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtMortgageNotesPayableDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentTerm": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Debt Instrument, Term", "terseLabel": "Term" } } }, "localname": "DebtInstrumentTerm", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_DebtInstrumentUnamortizedPremium": { "auth_ref": [ "r389", "r392" ], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails": { "order": 2.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligationsCurrentandNoncurrentIncludingUnamortizedPremiumDiscount", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt premium.", "label": "Debt Instrument, Unamortized Premium", "verboseLabel": "Add: unamortized premium on 6.0% Senior Subordinated Notes due 2024" } } }, "localname": "DebtInstrumentUnamortizedPremium", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredChargesPolicyTextBlock": { "auth_ref": [ "r54", "r118" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for deferral and amortization of significant deferred charges.", "label": "Deferred Charges, Policy [Policy Text Block]", "terseLabel": "Debt Issuance Costs" } } }, "localname": "DeferredChargesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredFederalIncomeTaxExpenseBenefit": { "auth_ref": [ "r121", "r320", "r326" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Federal Income Tax Expense (Benefit)", "terseLabel": "Federal" } } }, "localname": "DeferredFederalIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFinanceCostsNet": { "auth_ref": [ "r54", "r391" ], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails": { "order": 3.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligationsCurrentandNoncurrentIncludingUnamortizedPremiumDiscount", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Net", "negatedTerseLabel": "Less: debt issuance costs", "verboseLabel": "Deferred financing costs" } } }, "localname": "DeferredFinanceCostsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "auth_ref": [ "r111", "r121", "r320", "r326" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred Income Tax Expense (Benefit)", "totalLabel": "Total Deferred Income Tax Expense" } } }, "localname": "DeferredIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]", "terseLabel": "Deferred:" } } }, "localname": "DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredIncomeTaxLiabilities": { "auth_ref": [ "r36", "r37", "r312", "r430", "r441" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences.", "label": "Deferred Tax Liabilities, Gross", "negatedTotalLabel": "Total deferred income tax liabilities" } } }, "localname": "DeferredIncomeTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredIncomeTaxLiabilitiesNet": { "auth_ref": [ "r306", "r314" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.", "label": "Deferred Income Tax Liabilities, Net", "terseLabel": "DEFERRED INCOME TAXES" } } }, "localname": "DeferredIncomeTaxLiabilitiesNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredOtherTaxExpenseBenefit": { "auth_ref": [ "r125", "r321", "r322", "r325" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods.", "label": "Deferred Other Tax Expense (Benefit)", "terseLabel": "Provisional adjustment to deferred tax asset" } } }, "localname": "DeferredOtherTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredRentCreditNoncurrent": { "auth_ref": [ "r66", "r395" ], "calculation": { "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "For a classified balance sheet, the cumulative difference between the rental income or payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, more than one year after the balance sheet date.", "label": "Deferred Rent Credit, Noncurrent", "terseLabel": "Deferred rent" } } }, "localname": "DeferredRentCreditNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredRentReceivablesNet": { "auth_ref": [ "r72", "r394", "r396", "r397" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.", "label": "Deferred Rent Receivables, Net", "terseLabel": "Lease liability reduced for deferent rent" } } }, "localname": "DeferredRentReceivablesNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit": { "auth_ref": [ "r121", "r320", "r326" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.", "label": "Deferred State and Local Income Tax Expense (Benefit)", "terseLabel": "State" } } }, "localname": "DeferredStateAndLocalIncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsGross": { "auth_ref": [ "r313" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxLiabilities", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.", "label": "Deferred Tax Assets, Gross", "totalLabel": "Total deferred income tax assets" } } }, "localname": "DeferredTaxAssetsGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsNetAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Tax Assets, Net [Abstract]", "terseLabel": "Deferred income tax assets:" } } }, "localname": "DeferredTaxAssetsNetAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxAssetsOther": { "auth_ref": [ "r302", "r317", "r318" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.", "label": "Deferred Tax Assets, Other", "terseLabel": "Other, net" } } }, "localname": "DeferredTaxAssetsOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost": { "auth_ref": [ "r301", "r317", "r318" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost", "terseLabel": "Stock-based compensation" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities": { "auth_ref": [ "r301", "r317", "r318" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities", "terseLabel": "Other accrued liabilities" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves": { "auth_ref": [ "r301", "r317", "r318" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves", "terseLabel": "F&I chargeback liabilities" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilities": { "auth_ref": [ "r306", "r314" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.", "label": "Deferred Tax Liabilities, Net", "negatedTotalLabel": "Net deferred income tax (liabilities) assets" } } }, "localname": "DeferredTaxLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Deferred Tax Liabilities, Gross [Abstract]", "terseLabel": "Deferred income tax liabilities:" } } }, "localname": "DeferredTaxLiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxLiabilitiesOther": { "auth_ref": [ "r302", "r317", "r318" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of deferred tax liability attributable to taxable temporary differences classified as other.", "label": "Deferred Tax Liabilities, Other", "negatedLabel": "Other, net" } } }, "localname": "DeferredTaxLiabilitiesOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxAssetsAndLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedBenefitPlanDisclosureLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Defined Benefit Plan Disclosure [Line Items]", "terseLabel": "Defined Benefit Plan Disclosure [Line Items]" } } }, "localname": "DefinedBenefitPlanDisclosureLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable": { "auth_ref": [ "r259", "r260", "r261", "r262", "r263" ], "lang": { "en-US": { "role": { "documentation": "Disclosures and provisions pertaining to defined benefit pension plans or other postretirement defined benefit plans. The arrangements are generally based on terms and conditions stipulated by the entity, and which contain a promise by the employer to pay certain amounts or awards at designated future dates, including a period after retirement, upon compliance with stipulated requirements. Excludes disclosures pertaining to defined contribution plans.", "label": "Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]", "terseLabel": "Schedule of Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]" } } }, "localname": "DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Defined Contribution Plan [Abstract]", "terseLabel": "Employee Retirement Plan:" } } }, "localname": "DefinedContributionPensionAndOtherPostretirementPlansDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of discretionary contributions made by an employer to a defined contribution plan.", "label": "Defined Contribution Plan, Employer Discretionary Contribution Amount", "terseLabel": "Employer matching contributions" } } }, "localname": "DefinedContributionPlanEmployerDiscretionaryContributionAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.", "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay", "terseLabel": "Employer matching contribution, percent of employees' gross pay" } } }, "localname": "DefinedContributionPlanEmployerMatchingContributionPercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Percentage employer matches of the employee's percentage contribution matched.", "label": "Defined Contribution Plan, Employer Matching Contribution, Percent of Match", "terseLabel": "Employer matching contribution after one year of employment, percent" } } }, "localname": "DefinedContributionPlanEmployerMatchingContributionPercentOfMatch", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Maximum amount the employee may contribute to a defined contribution plan.", "label": "Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount", "terseLabel": "Maximum annual contribution per employee" } } }, "localname": "DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.", "label": "Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent", "terseLabel": "Maximum annual contributions per employee, percent" } } }, "localname": "DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansEmployeeBenefitPlansDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DepositsAssetsCurrent": { "auth_ref": [ "r54" ], "calculation": { "http://www.asburyauto.com/role/OtherCurrentAssetsDetails": { "order": 6.0, "parentTag": "us-gaap_OtherAssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.", "label": "Deposits Assets, Current", "terseLabel": "Deposits" } } }, "localname": "DepositsAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DepreciationAndAmortization": { "auth_ref": [ "r111", "r205" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.", "label": "Depreciation, Depletion and Amortization, Nonproduction", "terseLabel": "Depreciation and amortization" } } }, "localname": "DepreciationAndAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DepreciationDepletionAndAmortization": { "auth_ref": [ "r111", "r164" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 3.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.", "label": "Depreciation, Depletion and Amortization", "terseLabel": "Depreciation and amortization", "verboseLabel": "Depreciation and capital lease obligation amortization" } } }, "localname": "DepreciationDepletionAndAmortization", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome", "http://www.asburyauto.com/role/PropertyAndEquipmentNetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativeContractTypeDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.", "label": "Derivative Contract [Domain]", "terseLabel": "Derivative Contract [Domain]" } } }, "localname": "DerivativeContractTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DerivativeInstrumentRiskAxis": { "auth_ref": [ "r364", "r365", "r369", "r372" ], "lang": { "en-US": { "role": { "documentation": "Information by type of derivative contract.", "label": "Derivative Instrument [Axis]", "terseLabel": "Derivative Instrument [Axis]" } } }, "localname": "DerivativeInstrumentRiskAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable": { "auth_ref": [ "r361", "r364", "r369", "r372", "r373", "r375", "r376" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.", "label": "Derivative Instruments, Gain (Loss) [Table]", "terseLabel": "Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table]" } } }, "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeInstrumentsGainLossLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Derivative Instruments, Gain (Loss) [Line Items]", "terseLabel": "Derivative Instruments, Gain (Loss) [Line Items]" } } }, "localname": "DerivativeInstrumentsGainLossLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DerivativeLiabilityNotionalAmount": { "auth_ref": [ "r357", "r358", "r360" ], "lang": { "en-US": { "role": { "documentation": "Nominal or face amount used to calculate payments on the derivative liability.", "label": "Derivative Liability, Notional Amount", "terseLabel": "Notional principal amount of derivative liability" } } }, "localname": "DerivativeLiabilityNotionalAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DerivativesAndFairValueTextBlock": { "auth_ref": [ "r379", "r385" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for derivatives and fair value of assets and liabilities.", "label": "Derivatives and Fair Value [Text Block]", "terseLabel": "FINANCIAL INSTRUMENTS AND FAIR VALUE" } } }, "localname": "DerivativesAndFairValueTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValue" ], "xbrltype": "textBlockItemType" }, "us-gaap_DerivativesPolicyTextBlock": { "auth_ref": [ "r118", "r126", "r356", "r359", "r361", "r362", "r374" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for its derivative instruments and hedging activities.", "label": "Derivatives, Policy [Policy Text Block]", "terseLabel": "Derivative Instruments and Hedging Activities" } } }, "localname": "DerivativesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisaggregationOfRevenueLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Disaggregation of Revenue [Line Items]", "terseLabel": "Disaggregation of Revenue [Line Items]" } } }, "localname": "DisaggregationOfRevenueLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table]", "terseLabel": "Disaggregation of Revenue [Table]" } } }, "localname": "DisaggregationOfRevenueTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTableTextBlock": { "auth_ref": [ "r249" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table Text Block]", "terseLabel": "Schedule of Disaggregation of Revenue" } } }, "localname": "DisaggregationOfRevenueTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax": { "auth_ref": [ "r2", "r3", "r4" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.", "label": "Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax", "negatedLabel": "Gain on divestitures" } } }, "localname": "DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Discontinued Operations and Disposal Groups [Abstract]" } } }, "localname": "DiscontinuedOperationsAndDisposalGroupsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_DisposalGroupClassificationAxis": { "auth_ref": [ "r14" ], "lang": { "en-US": { "role": { "documentation": "Information by disposal group classification.", "label": "Disposal Group Classification [Axis]", "terseLabel": "Disposal Group Classification [Axis]" } } }, "localname": "DisposalGroupClassificationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails", "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisposalGroupClassificationDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Component or group of components disposed of, including but not limited to, disposal group held-for-sale or disposed of by sale, disposed of by means other than sale, and discontinued operations.", "label": "Disposal Group Classification [Domain]", "terseLabel": "Disposal Group Classification [Domain]" } } }, "localname": "DisposalGroupClassificationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails", "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember": { "auth_ref": [ "r203", "r212" ], "lang": { "en-US": { "role": { "documentation": "Disposal group that has been sold. Excludes disposals classified as discontinued operations.", "label": "Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]", "terseLabel": "Disposed of by Sale" } } }, "localname": "DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails", "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember": { "auth_ref": [ "r14", "r201", "r212" ], "lang": { "en-US": { "role": { "documentation": "Disposal group that is classified as held-for-sale. Excludes disposals classified as discontinued operations.", "label": "Disposal Group, Held-for-sale, Not Discontinued Operations [Member]", "terseLabel": "Held-for-sale" } } }, "localname": "DisposalGroupHeldforsaleNotDiscontinuedOperationsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/InventoriesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwill1": { "auth_ref": [ "r0", "r1", "r12", "r210" ], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 3.0, "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount classified as goodwill attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Goodwill", "terseLabel": "Goodwill" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationGoodwill1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets": { "auth_ref": [ "r0", "r1", "r12", "r210" ], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 6.0, "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount classified as intangible assets, excluding goodwill, attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Intangible Assets", "terseLabel": "Franchise rights" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationIntangibleAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1": { "auth_ref": [ "r0", "r1", "r12", "r210" ], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 1.0, "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount classified as inventory attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Inventory", "terseLabel": "Inventories" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationInventory1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment": { "auth_ref": [ "r0", "r1", "r12", "r210" ], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Property, Plant and Equipment", "terseLabel": "Property and equipment, net" } } }, "localname": "DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Name of disposal group.", "label": "Disposal Group Name [Domain]", "terseLabel": "Disposal Group Name [Domain]" } } }, "localname": "DisposalGroupsIncludingDiscontinuedOperationsNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share [Abstract]", "netLabel": "Net income per share:", "terseLabel": "EARNINGS PER COMMON SHARE:" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r90", "r130", "r134", "r139", "r143", "r144", "r148", "r436", "r454" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.", "label": "Earnings Per Share, Basic", "terseLabel": "Net income (in dollars per share)", "verboseLabel": "Basic (in dollars per share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareBasicAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Basic [Abstract]", "terseLabel": "Basic\u2014" } } }, "localname": "EarningsPerShareBasicAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasicAndDiluted": { "auth_ref": [ "r143" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Earnings Per Share, Basic and Diluted", "terseLabel": "Earnings (loss) per basic and diluted share (in dollars per share)" } } }, "localname": "EarningsPerShareBasicAndDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r90", "r130", "r134", "r139", "r143", "r144", "r148", "r436", "r454" ], "lang": { "en-US": { "role": { "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.", "label": "Earnings Per Share, Diluted", "terseLabel": "Net income (in dollars per share)", "verboseLabel": "Diluted (in dollars per share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDilutedAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Earnings Per Share, Diluted [Abstract]", "terseLabel": "Diluted\u2014" } } }, "localname": "EarningsPerShareDilutedAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "stringItemType" }, "us-gaap_EarningsPerSharePolicyTextBlock": { "auth_ref": [ "r118", "r145", "r146", "r147" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.", "label": "Earnings Per Share, Policy [Policy Text Block]", "terseLabel": "Earnings per Common Share" } } }, "localname": "EarningsPerSharePolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "auth_ref": [ "r124", "r307", "r308" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Effective Income Tax Rate Reconciliation, Percent", "totalLabel": "Income tax provision" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Effective Income Tax Rate Reconciliation, Percent [Abstract]", "terseLabel": "Percent" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r307", "r308", "r324" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 1.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of domestic federal statutory tax rate applicable to pretax income (loss).", "label": "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent", "terseLabel": "Income tax provision at the statutory rate" } } }, "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense": { "auth_ref": [ "r307", "r308", "r324" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 3.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent", "terseLabel": "Non-deductible / non-tax items" } } }, "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 5.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments.", "label": "Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent", "terseLabel": "Other, net" } } }, "localname": "EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r307", "r308", "r324" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 2.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent", "terseLabel": "State income tax expense, net" } } }, "localname": "EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount": { "auth_ref": [ "r307" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 6.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.", "label": "Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Amount", "terseLabel": "Effect of enactment of tax reform" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails", "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent": { "auth_ref": [ "r307" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 6.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0 } }, "lang": { "en-US": { "role": { "documentation": "Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to Tax Cuts and Jobs Act.", "label": "Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Percent", "negatedTerseLabel": "Effect of enactment of tax reform" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Percent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "pureItemType" }, "us-gaap_EmployeeRelatedLiabilitiesCurrent": { "auth_ref": [ "r59" ], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Employee-related Liabilities, Current", "terseLabel": "Accrued compensation" } } }, "localname": "EmployeeRelatedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": { "auth_ref": [ "r283" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cost not yet recognized for nonvested award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount", "terseLabel": "Total unrecognized share-based compensation expense related to nonvested awards" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "auth_ref": [ "r283" ], "lang": { "en-US": { "role": { "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "terseLabel": "Weighted average period of recognition" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "durationItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense": { "auth_ref": [ "r282" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of tax benefit for recognition of expense of award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Expense, Tax Benefit", "terseLabel": "Share-based compensation expense, tax benefit" } } }, "localname": "EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r235" ], "lang": { "en-US": { "role": { "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc.", "label": "Equity Component [Domain]", "terseLabel": "Equity Component [Domain]" } } }, "localname": "EquityComponentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees": { "auth_ref": [ "r437" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Expense related to distribution, servicing and underwriting fees.", "label": "Expense Related to Distribution or Servicing and Underwriting Fees", "terseLabel": "Underwriting fees" } } }, "localname": "ExpenseRelatedToDistributionOrServicingAndUnderwritingFees", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details" ], "xbrltype": "monetaryItemType" }, "us-gaap_ExtinguishmentOfDebtAmount": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Gross amount of debt extinguished.", "label": "Extinguishment of Debt, Amount", "terseLabel": "Extinguishment of debt, amount" } } }, "localname": "ExtinguishmentOfDebtAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "auth_ref": [ "r380", "r381", "r382", "r384" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.", "label": "Fair Value, Recurring and Nonrecurring [Table]", "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": { "auth_ref": [ "r383" ], "lang": { "en-US": { "role": { "documentation": "Class of asset.", "label": "Asset Class [Domain]", "terseLabel": "Asset Class [Domain]" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]", "terseLabel": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]" } } }, "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByAssetClassAxis": { "auth_ref": [ "r380", "r384" ], "lang": { "en-US": { "role": { "documentation": "Information by class of asset.", "label": "Asset Class [Axis]", "terseLabel": "Asset Class [Axis]" } } }, "localname": "FairValueByAssetClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByBalanceSheetGroupingTable": { "auth_ref": [ "r380", "r386", "r387" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.", "label": "Fair Value, by Balance Sheet Grouping [Table]", "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]" } } }, "localname": "FairValueByBalanceSheetGroupingTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r257", "r258", "r263", "r381", "r424" ], "lang": { "en-US": { "role": { "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.", "label": "Fair Value Hierarchy and NAV [Axis]", "terseLabel": "Fair Value Hierarchy and NAV [Axis]" } } }, "localname": "FairValueByFairValueHierarchyLevelAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r257", "r258", "r263", "r381", "r425" ], "lang": { "en-US": { "role": { "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.", "label": "Fair Value, Inputs, Level 2 [Member]", "terseLabel": "Fair Value, Inputs, Level 2" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock": { "auth_ref": [ "r380", "r381" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset.", "label": "Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]", "terseLabel": "Schedule of Carrying Values and Fair Values of Liabilities" } } }, "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.", "label": "Fair Value Hierarchy and NAV [Domain]", "terseLabel": "Fair Value Hierarchy and NAV [Domain]" } } }, "localname": "FairValueMeasurementsFairValueHierarchyDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FinanceLeaseInterestExpense": { "auth_ref": [ "r405", "r409", "r419" ], "calculation": { "http://www.asburyauto.com/role/LeasesCostDetails": { "order": 1.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest expense on finance lease liability.", "label": "Finance Lease, Interest Expense", "terseLabel": "Finance lease cost (Interest)" } } }, "localname": "FinanceLeaseInterestExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseInterestPaymentOnLiability": { "auth_ref": [ "r407", "r413" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of interest paid on finance lease liability.", "label": "Finance Lease, Interest Payment on Liability", "terseLabel": "Operating cash flows from finance lease" } } }, "localname": "FinanceLeaseInterestPaymentOnLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesOtherInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Finance Lease, Liability, Payment, Due [Abstract]", "terseLabel": "Finance Lease, Liability, Payment, Due [Abstract]" } } }, "localname": "FinanceLeaseLiabilitiesPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_FinanceLeaseLiability": { "auth_ref": [ "r404", "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/LeasesLiabilitiesDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease.", "label": "Finance Lease, Liability", "terseLabel": "Finance Lease, Liability", "totalLabel": "Present value of future minimum lease payments" } } }, "localname": "FinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityCurrent": { "auth_ref": [ "r404" ], "calculation": { "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 2.0, "parentTag": "abg_LeasesLiability", "weight": 1.0 }, "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.", "label": "Finance Lease, Liability, Current", "negatedTerseLabel": "Less: current obligations under leases", "verboseLabel": "Liabilities, Current, Finance" } } }, "localname": "FinanceLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails", "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock": { "auth_ref": [ "r418" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position.", "label": "Finance Lease, Liability, Maturity [Table Text Block]", "terseLabel": "Finance Lease, Liability, Maturity" } } }, "localname": "FinanceLeaseLiabilityMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FinanceLeaseLiabilityNoncurrent": { "auth_ref": [ "r404" ], "calculation": { "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 4.0, "parentTag": "abg_LeasesLiability", "weight": 1.0 }, "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.", "label": "Finance Lease, Liability, Noncurrent", "terseLabel": "Long-term lease obligation", "verboseLabel": "Liabilities, Non-Current, Finance" } } }, "localname": "FinanceLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails", "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDue": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/LeasesLiabilitiesDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Payment, Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "FinanceLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 6.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due after Year Five", "terseLabel": "Thereafter" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in next fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Next Twelve Months", "terseLabel": "2020" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Five", "terseLabel": "2024" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Four", "terseLabel": "2023" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Three", "terseLabel": "2022" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.", "label": "Finance Lease, Liability, Payments, Due Year Two", "terseLabel": "2021" } } }, "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.", "label": "Finance Lease, Liability, Undiscounted Excess Amount", "negatedTerseLabel": "Less: amount of lease payments representing interest" } } }, "localname": "FinanceLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeasePrincipalPayments": { "auth_ref": [ "r406", "r413" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow for principal payment on finance lease.", "label": "Finance Lease, Principal Payments", "terseLabel": "Financing cash flows from finance lease" } } }, "localname": "FinanceLeasePrincipalPayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesOtherInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseRightOfUseAsset": { "auth_ref": [ "r403" ], "calculation": { "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 2.0, "parentTag": "abg_LeasesRightofUseAsset", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under finance lease.", "label": "Finance Lease, Right-of-Use Asset", "terseLabel": "Finance lease", "verboseLabel": "Assets, Finance" } } }, "localname": "FinanceLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r416", "r419" ], "lang": { "en-US": { "role": { "documentation": "Weighted average discount rate for finance lease calculated at point in time.", "label": "Finance Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Weighted Average Discount Rate - Finance Leases" } } }, "localname": "FinanceLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLeaseTermAndDiscountRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r415", "r419" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Finance Lease, Weighted Average Remaining Lease Term", "terseLabel": "Weighted Average Lease Term - Finance Lease" } } }, "localname": "FinanceLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLeaseTermAndDiscountRateDetails" ], "xbrltype": "durationItemType" }, "us-gaap_FranchiseRightsMember": { "auth_ref": [ "r335" ], "lang": { "en-US": { "role": { "documentation": "Rights, generally of limited duration, that the entity has obtained through a franchise arrangement to operate a business using another company's name, merchandise, services, methodologies, promotional support, marketing and supplies.", "label": "Franchise Rights [Member]", "terseLabel": "Franchise rights" } } }, "localname": "FranchiseRightsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_FurnitureAndFixturesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.", "label": "Furniture and Fixtures [Member]", "terseLabel": "Furniture and fixtures" } } }, "localname": "FurnitureAndFixturesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_GainLossOnDispositionOfAssets1": { "auth_ref": [ "r111" ], "calculation": { "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails": { "order": 3.0, "parentTag": "us-gaap_OtherNoncashIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.", "label": "Gain (Loss) on Disposition of Assets", "negatedTerseLabel": "Loss on disposal of fixed assets" } } }, "localname": "GainLossOnDispositionOfAssets1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossOnSaleOfBusiness": { "auth_ref": [ "r111", "r351" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 3.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.", "label": "Gain (Loss) on Disposition of Business", "negatedTerseLabel": "Gain on divestitures", "terseLabel": "Gain on divestitures" } } }, "localname": "GainLossOnSaleOfBusiness", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails", "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_GainLossRelatedToLitigationSettlement": { "auth_ref": [ "r218" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.", "label": "Gain (Loss) Related to Litigation Settlement", "terseLabel": "Gain on litigation settlement" } } }, "localname": "GainLossRelatedToLitigationSettlement", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Goodwill": { "auth_ref": [ "r186", "r188" ], "calculation": { "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails": { "order": 4.0, "parentTag": "us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet", "weight": 1.0 }, "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill", "periodEndLabel": "Net, ending balance", "periodStartLabel": "Net, beginning balance", "terseLabel": "Goodwill", "verboseLabel": "GOODWILL" } } }, "localname": "Goodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails", "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAcquiredDuringPeriod": { "auth_ref": [ "r189" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.", "label": "Goodwill, Acquired During Period", "terseLabel": "Acquisitions" } } }, "localname": "GoodwillAcquiredDuringPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Goodwill and Intangible Assets Disclosure [Abstract]" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": { "auth_ref": [ "r199" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for goodwill and intangible assets.", "label": "Goodwill and Intangible Assets Disclosure [Text Block]", "terseLabel": "GOODWILL AND INTANGIBLE FRANCHISE RIGHTS" } } }, "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRights" ], "xbrltype": "textBlockItemType" }, "us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock": { "auth_ref": [ "r118", "r192", "r195" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.", "label": "Goodwill and Intangible Assets, Policy [Policy Text Block]", "terseLabel": "Goodwill and Other Intangible Assets" } } }, "localname": "GoodwillAndIntangibleAssetsPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_GoodwillImpairmentLoss": { "auth_ref": [ "r111", "r187", "r191", "r193" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Impairment Loss", "terseLabel": "Goodwill, impairment" } } }, "localname": "GoodwillImpairmentLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GoodwillRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Goodwill [Roll Forward]", "terseLabel": "Goodwill [Roll Forward]" } } }, "localname": "GoodwillRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsGoodwillDetails" ], "xbrltype": "stringItemType" }, "us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit": { "auth_ref": [ "r190" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.", "label": "Goodwill, Written off Related to Sale of Business Unit", "negatedTerseLabel": "Divestitures" } } }, "localname": "GoodwillWrittenOffRelatedToSaleOfBusinessUnit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsGoodwillDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_GrossProfit": { "auth_ref": [ "r93" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.", "label": "Gross Profit", "terseLabel": "Gross profit", "totalLabel": "GROSS PROFIT" } } }, "localname": "GrossProfit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_GuaranteeObligationsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A written or oral contract that obligates the guarantor to either pay cash or perform services if another party fails to perform specified actions or achieve specified results.", "label": "Guarantee Obligations [Member]", "terseLabel": "Guarantee Obligations" } } }, "localname": "GuaranteeObligationsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ImpairmentOfIntangibleAssetsFinitelived": { "auth_ref": [ "r111", "r197" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.", "label": "Impairment of Intangible Assets, Finite-lived", "negatedTerseLabel": "Impairments", "terseLabel": "Franchise rights impairment" } } }, "localname": "ImpairmentOfIntangibleAssetsFinitelived", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill": { "auth_ref": [ "r111", "r197" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 5.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.", "label": "Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)", "terseLabel": "Franchise rights impairment", "verboseLabel": "Impairment of indefinite-lived assets" } } }, "localname": "ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_ImpairmentOfRealEstate": { "auth_ref": [ "r111", "r208" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The charge against earnings in the period to reduce the carrying amount of real property to fair value.", "label": "Impairment of Real Estate", "terseLabel": "Impairment of real estate" } } }, "localname": "ImpairmentOfRealEstate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": { "auth_ref": [ "r123" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.", "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest", "totalLabel": "INCOME BEFORE INCOME TAXES" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Statement [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by name of disposal group.", "label": "Disposal Group Name [Axis]", "terseLabel": "Disposal Group Name [Axis]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]", "terseLabel": "Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable": { "auth_ref": [ "r1", "r6", "r7", "r8", "r9", "r10", "r11", "r13", "r15", "r16", "r17", "r212", "r213" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.", "label": "Disposal Groups, Including Discontinued Operations [Table]", "terseLabel": "Disposal Groups, Including Discontinued Operations [Table]" } } }, "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationAxis": { "auth_ref": [ "r209" ], "lang": { "en-US": { "role": { "documentation": "Information by location in the income statement.", "label": "Income Statement Location [Axis]", "terseLabel": "Income Statement Location [Axis]" } } }, "localname": "IncomeStatementLocationAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Location in the income statement.", "label": "Income Statement Location [Domain]", "terseLabel": "Income Statement Location [Domain]" } } }, "localname": "IncomeStatementLocationDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r329" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.", "label": "Income Tax Disclosure [Text Block]", "terseLabel": "INCOME TAXES" } } }, "localname": "IncomeTaxDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r121", "r165", "r327" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 2.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0 }, "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Income Tax Expense (Benefit)", "terseLabel": "Income tax expense", "totalLabel": "Total Income Tax Expense" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome", "http://www.asburyauto.com/role/IncomeTaxesScheduleOfComponentsOfIncomeTaxExpenseDetails", "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Effective Income Tax Rate Reconciliation, Amount [Abstract]", "terseLabel": "Amount" } } }, "localname": "IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxPolicyTextBlock": { "auth_ref": [ "r87", "r118", "r304", "r305", "r310", "r311", "r315", "r328", "r462" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.", "label": "Income Tax, Policy [Policy Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r120", "r307", "r308" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 1.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount", "terseLabel": "Income tax provision at the statutory rate" } } }, "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationNondeductibleExpense": { "auth_ref": [ "r307", "r308" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 3.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount", "terseLabel": "Non-deductible / non-tax items" } } }, "localname": "IncomeTaxReconciliationNondeductibleExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationOtherReconcilingItems": { "auth_ref": [ "r307", "r308" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 5.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount", "terseLabel": "Other, net" } } }, "localname": "IncomeTaxReconciliationOtherReconcilingItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r120", "r307", "r308" ], "calculation": { "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails": { "order": 2.0, "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount", "terseLabel": "State income tax expense, net" } } }, "localname": "IncomeTaxReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesScheduleOfEffectiveIncomeTaxRateReconciliationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxesPaidNet": { "auth_ref": [ "r115" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.", "label": "Income Taxes Paid, Net", "terseLabel": "Income taxes paid" } } }, "localname": "IncomeTaxesPaidNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": { "auth_ref": [ "r110" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.", "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities", "terseLabel": "Accounts payable and accrued liabilities" } } }, "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "auth_ref": [ "r110" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.", "label": "Increase (Decrease) in Accounts Receivable", "negatedLabel": "Accounts receivable" } } }, "localname": "IncreaseDecreaseInAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInContractReceivablesNet": { "auth_ref": [ "r110" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in receivables arising from the contracting of goods and services, net for uncollectible accounts.", "label": "Increase (Decrease) in Contract Receivables, Net", "negatedLabel": "Contracts-in-transit" } } }, "localname": "IncreaseDecreaseInContractReceivablesNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInInventories": { "auth_ref": [ "r110" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.", "label": "Increase (Decrease) in Inventories", "negatedLabel": "Inventories" } } }, "localname": "IncreaseDecreaseInInventories", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Increase (Decrease) in Operating Capital [Abstract]", "terseLabel": "Changes in operating assets and liabilities, net of acquisitions and divestitures\u2014" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInOtherOperatingAssets": { "auth_ref": [ "r110" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in operating assets classified as other.", "label": "Increase (Decrease) in Other Operating Assets", "negatedLabel": "Other current assets" } } }, "localname": "IncreaseDecreaseInOtherOperatingAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet": { "auth_ref": [ "r110" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 17.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.", "label": "Increase (Decrease) in Other Operating Assets and Liabilities, Net", "negatedLabel": "Other long-term assets and liabilities, net" } } }, "localname": "IncreaseDecreaseInOtherOperatingCapitalNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]", "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]" } } }, "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_IncrementalCommonSharesAttributableToContingentlyIssuableShares": { "auth_ref": [ "r135", "r136", "r146" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 2.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.", "label": "Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares", "terseLabel": "Performance share units (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToContingentlyIssuableShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "sharesItemType" }, "us-gaap_IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights": { "auth_ref": [ "r137", "r138", "r140", "r141", "r142" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 3.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method.", "label": "Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights", "terseLabel": "Restricted stock (in shares)" } } }, "localname": "IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "sharesItemType" }, "us-gaap_IndefiniteLivedFranchiseRights": { "auth_ref": [ "r196" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through a franchise arrangement having an indefinite period of benefit.", "label": "Indefinite-Lived Franchise Rights", "terseLabel": "INTANGIBLE FRANCHISE RIGHTS" } } }, "localname": "IndefiniteLivedFranchiseRights", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis": { "auth_ref": [ "r194", "r196" ], "lang": { "en-US": { "role": { "documentation": "Information by type or class of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets [Axis]", "terseLabel": "Indefinite-lived Intangible Assets [Axis]" } } }, "localname": "IndefiniteLivedIntangibleAssetsByMajorClassAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Indefinite-lived Intangible Assets [Line Items]", "terseLabel": "Indefinite-lived Intangible Assets [Line Items]" } } }, "localname": "IndefiniteLivedIntangibleAssetsByMajorClassLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill": { "auth_ref": [ "r196" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.", "label": "Indefinite-lived Intangible Assets (Excluding Goodwill)", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance" } } }, "localname": "IndefiniteLivedIntangibleAssetsExcludingGoodwill", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain": { "auth_ref": [ "r194", "r196" ], "lang": { "en-US": { "role": { "documentation": "The major class of indefinite-lived intangible asset (for example, trade names, etc. but not all-inclusive), excluding goodwill. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the company.", "label": "Indefinite-lived Intangible Assets, Major Class Name [Domain]", "terseLabel": "Indefinite-lived Intangible Assets, Major Class Name [Domain]" } } }, "localname": "IndefiniteLivedIntangibleAssetsMajorClassNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IndefiniteLivedIntangibleAssetsRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Indefinite-lived Intangible Assets [Roll Forward]", "terseLabel": "Indefinite-lived Intangible Assets [Roll Forward]" } } }, "localname": "IndefiniteLivedIntangibleAssetsRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IndefinitelivedIntangibleAssetsAcquired": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.", "label": "Indefinite-lived Intangible Assets Acquired", "terseLabel": "Acquisitions" } } }, "localname": "IndefinitelivedIntangibleAssetsAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestCostsCapitalized": { "auth_ref": [ "r388" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest capitalized during the period.", "label": "Interest Costs Capitalized", "terseLabel": "Interest costs capitalized" } } }, "localname": "InterestCostsCapitalized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/PropertyAndEquipmentNetNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpenseMember": { "auth_ref": [ "r371" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing interest expense.", "label": "Interest Expense [Member]", "terseLabel": "Interest Expense" } } }, "localname": "InterestExpenseMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InterestExpenseOther": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 2.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of interest expense classified as other.", "label": "Interest Expense, Other", "terseLabel": "Other interest expense, net" } } }, "localname": "InterestExpenseOther", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaidNet": { "auth_ref": [ "r106", "r108", "r115" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.", "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities", "terseLabel": "Interest payments made including amounts capitalized" } } }, "localname": "InterestPaidNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SupplementalCashFlowInformationNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPayableCurrent": { "auth_ref": [ "r26", "r27", "r59" ], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 7.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Interest Payable, Current", "terseLabel": "Accrued interest" } } }, "localname": "InterestPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateCashFlowHedgeDerivativeAtFairValueNet": { "auth_ref": [ "r355" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value as of the balance sheet date of all interest rate derivatives designated as cash flow hedging instruments.", "label": "Interest Rate Cash Flow Hedge Derivative at Fair Value, Net", "terseLabel": "Fair value of interest rate swaps" } } }, "localname": "InterestRateCashFlowHedgeDerivativeAtFairValueNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet": { "auth_ref": [ "r368" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The amount of net gains or losses on interest rate cash flow hedges reclassified during the period to earnings from accumulated other comprehensive income upon the hedged transaction affecting earnings.", "label": "Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net", "terseLabel": "Amount Reclassified from AOCI to Earnings" } } }, "localname": "InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet": { "auth_ref": [ "r378" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.", "label": "Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net", "terseLabel": "Interest rate swap, net loss amount expected to be reclassified in the next twelve months" } } }, "localname": "InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestRateSwapMember": { "auth_ref": [ "r370" ], "lang": { "en-US": { "role": { "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period.", "label": "Interest Rate Swap [Member]", "terseLabel": "Interest Rate Swap" } } }, "localname": "InterestRateSwapMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfFairValueOfInterestRateSwapsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InventoryAdjustments": { "auth_ref": [ "r71", "r180" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.", "label": "Inventory Adjustments", "negatedTerseLabel": "Reduction of new vehicle inventory cost by automobile manufacturer incentives" } } }, "localname": "InventoryAdjustments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Inventory Disclosure [Abstract]" } } }, "localname": "InventoryDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_InventoryDisclosureTextBlock": { "auth_ref": [ "r183" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.", "label": "Inventory Disclosure [Text Block]", "terseLabel": "INVENTORIES" } } }, "localname": "InventoryDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/Inventories" ], "xbrltype": "textBlockItemType" }, "us-gaap_InventoryNet": { "auth_ref": [ "r19", "r70", "r179" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.", "label": "Inventory, Net", "netLabel": "Total inventories", "terseLabel": "Inventories, net" } } }, "localname": "InventoryNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryPolicyTextBlock": { "auth_ref": [ "r28", "r71", "r118", "r149", "r180", "r181" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.", "label": "Inventory, Policy [Policy Text Block]", "terseLabel": "Inventories" } } }, "localname": "InventoryPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_InventoryValuationReserves": { "auth_ref": [ "r70", "r127", "r179", "r182" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of valuation reserve for inventory.", "label": "Inventory Valuation Reserves", "terseLabel": "Lower of cost or market inventory reserves" } } }, "localname": "InventoryValuationReserves", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/InventoriesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LandMember": { "auth_ref": [ "r251" ], "lang": { "en-US": { "role": { "documentation": "Part of earth's surface not covered by water.", "label": "Land [Member]", "terseLabel": "Land" } } }, "localname": "LandMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LeaseAndRentalExpense": { "auth_ref": [], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "Operating Leases, Rent Expense", "terseLabel": "Operating lease rent expense" } } }, "localname": "LeaseAndRentalExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LeaseCost": { "auth_ref": [ "r417", "r419" ], "calculation": { "http://www.asburyauto.com/role/LeasesCostDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lease cost recognized by lessee for lease contract.", "label": "Lease, Cost", "totalLabel": "Total lease cost" } } }, "localname": "LeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LeaseCostTableTextBlock": { "auth_ref": [ "r417" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.", "label": "Lease, Cost [Table Text Block]", "terseLabel": "Lease, Cost" } } }, "localname": "LeaseCostTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LeasesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Leases [Abstract]" } } }, "localname": "LeasesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_LeasesOfLesseeDisclosureTextBlock": { "auth_ref": [ "r401" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.", "label": "Leases of Lessee Disclosure [Text Block]", "terseLabel": "Leases Obligations" } } }, "localname": "LeasesOfLesseeDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligations" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeFinanceLeasesTextBlock": { "auth_ref": [ "r420" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability.", "label": "Lessee, Finance Leases [Text Block]", "terseLabel": "LEASES" } } }, "localname": "LesseeFinanceLeasesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/Leases" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": { "auth_ref": [ "r418" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.", "label": "Lessee, Operating Lease, Liability, Maturity [Table Text Block]", "terseLabel": "Lessee, Operating Lease, Liability, Maturity" } } }, "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/LeasesLiabilitiesDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease.", "label": "Lessee, Operating Lease, Liability, Payments, Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 6.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 1.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in next fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months", "terseLabel": "2020" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 5.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Five", "terseLabel": "2024" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Four", "terseLabel": "2023" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 3.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Three", "terseLabel": "2022" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": 2.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.", "label": "Lessee, Operating Lease, Liability, Payments, Due Year Two", "terseLabel": "2021" } } }, "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": { "auth_ref": [ "r418" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.", "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount", "negatedTerseLabel": "Less: amount of lease payments representing interest" } } }, "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LesseeOperatingLeasesTextBlock": { "auth_ref": [ "r420" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability.", "label": "Lessee, Operating Leases [Text Block]", "terseLabel": "LEASES" } } }, "localname": "LesseeOperatingLeasesTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/Leases" ], "xbrltype": "textBlockItemType" }, "us-gaap_LettersOfCreditOutstandingAmount": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.", "label": "Letters of Credit Outstanding, Amount", "terseLabel": "Amount of letters of credit outstanding" } } }, "localname": "LettersOfCreditOutstandingAmount", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r45", "r433", "r448" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.", "label": "Liabilities and Equity", "totalLabel": "Total liabilities and shareholders' equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "LIABILITIES AND SHAREHOLDERS' EQUITY" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r61" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.", "label": "Liabilities, Current", "totalLabel": "Total current liabilities" } } }, "localname": "LiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Liabilities, Current [Abstract]", "terseLabel": "CURRENT LIABILITIES:" } } }, "localname": "LiabilitiesCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation": { "auth_ref": [ "r0", "r1", "r12", "r14", "r210" ], "calculation": { "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount classified as liabilities attributable to disposal group held for sale or disposed of.", "label": "Disposal Group, Including Discontinued Operation, Liabilities", "totalLabel": "Total Liabilities associated with assets held for sale" } } }, "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Disposal Group, Including Discontinued Operation, Liabilities [Abstract]", "terseLabel": "Liabilities:" } } }, "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleAssetsHeldForSaleAndLiabilitiesAssociatedWithAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent": { "auth_ref": [ "r0", "r1", "r12", "r14", "r204", "r210" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.", "label": "Disposal Group, Including Discontinued Operation, Liabilities, Current", "terseLabel": "Liabilities associated with assets held for sale" } } }, "localname": "LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityAxis": { "auth_ref": [ "r57", "r122" ], "lang": { "en-US": { "role": { "documentation": "Information by name of lender, which may be a single entity (for example, but not limited to, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit.", "label": "Lender Name [Axis]", "terseLabel": "Lender Name [Axis]" } } }, "localname": "LineOfCreditFacilityAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LineOfCreditFacilityCommitmentFeePercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.", "label": "Line of Credit Facility, Commitment Fee Percentage", "terseLabel": "Commitment fee percentage" } } }, "localname": "LineOfCreditFacilityCommitmentFeePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity": { "auth_ref": [ "r57" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.", "label": "Line of Credit Facility, Current Borrowing Capacity", "terseLabel": "Current borrowing capacity" } } }, "localname": "LineOfCreditFacilityCurrentBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd": { "auth_ref": [ "r57" ], "lang": { "en-US": { "role": { "documentation": "The effective interest rate at the end of the reporting period.", "label": "Line of Credit Facility, Interest Rate at Period End", "terseLabel": "Interest rate" } } }, "localname": "LineOfCreditFacilityInterestRateAtPeriodEnd", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_LineOfCreditFacilityLenderDomain": { "auth_ref": [ "r57" ], "lang": { "en-US": { "role": { "documentation": "Identification of the lender, which may be a single entity (for example, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit, including a letter of credit facility.", "label": "Line of Credit Facility, Lender [Domain]", "terseLabel": "Line of Credit Facility, Lender [Domain]" } } }, "localname": "LineOfCreditFacilityLenderDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": { "auth_ref": [ "r57" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.", "label": "Line of Credit Facility, Maximum Borrowing Capacity", "terseLabel": "Maximum borrowing capacity" } } }, "localname": "LineOfCreditFacilityMaximumBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": { "auth_ref": [ "r57" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).", "label": "Line of Credit Facility, Remaining Borrowing Capacity", "terseLabel": "Remaining borrowing capacity" } } }, "localname": "LineOfCreditFacilityRemainingBorrowingCapacity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.", "label": "Line of Credit Facility, Unused Capacity, Commitment Fee Percentage", "terseLabel": "Unused capacity, commitment fee percentage" } } }, "localname": "LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "percentItemType" }, "us-gaap_LineOfCreditMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars.", "label": "Line of Credit [Member]", "terseLabel": "Line of Credit" } } }, "localname": "LineOfCreditMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock": { "auth_ref": [ "r176" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.", "label": "Loans, Notes, Trade and Other Receivables Disclosure [Text Block]", "terseLabel": "ACCOUNTS RECEIVABLE" } } }, "localname": "LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivable" ], "xbrltype": "textBlockItemType" }, "us-gaap_LondonInterbankOfferedRateLIBORMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate at which a bank borrows funds from other banks in the London interbank market.", "label": "London Interbank Offered Rate (LIBOR) [Member]", "terseLabel": "LIBOR" } } }, "localname": "LondonInterbankOfferedRateLIBORMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongLivedAssetsHeldForSaleLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Long Lived Assets Held-for-sale [Line Items]", "terseLabel": "Long Lived Assets Held-for-sale [Line Items]" } } }, "localname": "LongLivedAssetsHeldForSaleLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r34", "r232", "r432", "r446" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt", "verboseLabel": "Total carrying value" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligations": { "auth_ref": [ "r34" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt and lease obligation, classified as noncurrent.", "label": "Long-term Debt and Lease Obligation", "terseLabel": "LONG-TERM DEBT", "verboseLabel": "Long-term debt" } } }, "localname": "LongTermDebtAndCapitalLeaseObligations", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent": { "auth_ref": [ "r59" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of long-term debt and lease obligation, classified as current.", "label": "Long-term Debt and Lease Obligation, Current", "negatedTerseLabel": "Less\u2014current portion, net of debt issuance costs", "terseLabel": "Current maturities of long-term debt" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails": { "order": 6.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligations1", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Principal amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five", "terseLabel": "Thereafter" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails": { "order": 5.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligations1", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Principal amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five", "terseLabel": "2024" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails": { "order": 4.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligations1", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Principal amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four", "terseLabel": "2023" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails": { "order": 3.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligations1", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Principal amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three", "terseLabel": "2022" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails": { "order": 2.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligations1", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Principal amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two", "terseLabel": "2020" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails": { "order": 1.0, "parentTag": "abg_LongTermDebtandCapitalLeaseObligations1", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Principal amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months", "terseLabel": "2020" } } }, "localname": "LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfAggregateMaturitiesOfLongTermDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtFairValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.", "label": "Long-term Debt, Fair Value", "terseLabel": "Total fair value" } } }, "localname": "LongTermDebtFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongtermDebtTypeAxis": { "auth_ref": [ "r63" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-term debt.", "label": "Long-term Debt, Type [Axis]", "terseLabel": "Long-term Debt, Type [Axis]" } } }, "localname": "LongtermDebtTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtMortgageNotesPayableDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongtermDebtTypeDomain": { "auth_ref": [ "r63", "r230" ], "lang": { "en-US": { "role": { "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Long-term Debt, Type [Domain]", "terseLabel": "Long-term Debt, Type [Domain]" } } }, "localname": "LongtermDebtTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtMortgageNotesPayableDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_LongtermDebtWeightedAverageInterestRate": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Weighted average interest rate of long-term debt outstanding calculated at point in time.", "label": "Long-term Debt, Weighted Average Interest Rate, at Point in Time", "terseLabel": "Weighted average interest rate" } } }, "localname": "LongtermDebtWeightedAverageInterestRate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails" ], "xbrltype": "percentItemType" }, "us-gaap_LossContingenciesByNatureOfContingencyAxis": { "auth_ref": [ "r218", "r219", "r220", "r221", "r222", "r223", "r224", "r227", "r228" ], "lang": { "en-US": { "role": { "documentation": "Information by type of existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur.", "label": "Loss Contingency Nature [Axis]", "terseLabel": "Loss Contingency Nature [Axis]" } } }, "localname": "LossContingenciesByNatureOfContingencyAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingenciesLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Loss Contingencies [Line Items]", "terseLabel": "Loss Contingencies [Line Items]" } } }, "localname": "LossContingenciesLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingenciesTable": { "auth_ref": [ "r218", "r219", "r220", "r221", "r222", "r223", "r224", "r227", "r228" ], "lang": { "en-US": { "role": { "documentation": "Discloses the specific components (such as the nature, name, and date) of the loss contingency and gives an estimate of the possible loss or range of loss, or states that a reasonable estimate cannot be made. Excludes environmental contingencies, warranties and unconditional purchase obligations.", "label": "Loss Contingencies [Table]", "terseLabel": "Loss Contingencies [Table]" } } }, "localname": "LossContingenciesTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LossContingencyNatureDomain": { "auth_ref": [ "r218", "r219", "r220", "r221", "r222", "r223", "r224", "r227", "r228" ], "lang": { "en-US": { "role": { "documentation": "An existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur. Resolution of the uncertainty may confirm the incurrence of a loss or impairment of an asset or the incurrence of a liability.", "label": "Loss Contingency, Nature [Domain]", "terseLabel": "Loss Contingency, Nature [Domain]" } } }, "localname": "LossContingencyNatureDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CommitmentsAndContingenciesDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MachineryAndEquipmentMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.", "label": "Machinery and Equipment [Member]", "terseLabel": "Machinery and equip", "verboseLabel": "Machinery and equipment" } } }, "localname": "MachineryAndEquipmentMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MortgageLoansOnRealEstate": { "auth_ref": [ "r460" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.", "label": "SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate", "netLabel": "Aggregate Principal Outstanding" } } }, "localname": "MortgageLoansOnRealEstate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_MortgagesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A loan to finance the purchase of real estate where the lender has a lien on the property as collateral for the loan.", "label": "Mortgages [Member]", "terseLabel": "Mortgages", "verboseLabel": "Mortgages Notes Payable" } } }, "localname": "MortgagesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "http://www.asburyauto.com/role/LongTermDebtMortgageNotesPayableDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "domainItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r107" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.", "label": "Net Cash Provided by (Used in) Financing Activities", "totalLabel": "Net cash (used in) provided by financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "terseLabel": "CASH FLOW FROM FINANCING ACTIVITIES:" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r107" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.", "label": "Net Cash Provided by (Used in) Investing Activities", "totalLabel": "Net cash used in investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "terseLabel": "CASH FLOW FROM INVESTING ACTIVITIES:" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r107", "r109", "r112" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.", "label": "Net Cash Provided by (Used in) Operating Activities", "totalLabel": "Net cash provided by operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "CASH FLOW FROM OPERATING ACTIVITIES:" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r82", "r84", "r89", "r112", "r146", "r435", "r453" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 }, "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 }, "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.", "label": "Net Income (Loss) Attributable to Parent", "terseLabel": "Net income", "totalLabel": "NET INCOME" } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome", "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]", "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]" } } }, "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable": { "auth_ref": [ "r129", "r131" ], "lang": { "en-US": { "role": { "documentation": "Summarization of the changes in an accounting principle or a new accounting pronouncement, including the line items affected by the change and the financial effects of the change on those particular line items.", "label": "New Accounting Pronouncements or Change in Accounting Principle [Table]", "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Table]" } } }, "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "terseLabel": "Recent Accounting Pronouncements" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NonoperatingIncomeExpense": { "auth_ref": [ "r97" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 2.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).", "label": "Nonoperating Income (Expense)", "negatedTotalLabel": "Total other expenses, net" } } }, "localname": "NonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_NumberOfBusinessesAcquired": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of businesses acquired by the entity during the period.", "label": "Number of Businesses Acquired", "terseLabel": "Number of franchises acquired (in franchises)" } } }, "localname": "NumberOfBusinessesAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_NumberOfRealEstateProperties": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of real estate properties owned as of the balance sheet date.", "label": "Number of Real Estate Properties", "terseLabel": "Number of real estate properties" } } }, "localname": "NumberOfRealEstateProperties", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_NumberOfReportableSegments": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.", "label": "Number of Reportable Segments", "terseLabel": "Number of reportable segments" } } }, "localname": "NumberOfReportableSegments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "integerItemType" }, "us-gaap_NumberOfStatesInWhichEntityOperates": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The number of states the entity operates in as of the balance sheet date.", "label": "Number of States in which Entity Operates", "terseLabel": "Number of states (in states)" } } }, "localname": "NumberOfStatesInWhichEntityOperates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDescriptionDetails" ], "xbrltype": "integerItemType" }, "us-gaap_OperatingExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Operating Expenses [Abstract]", "terseLabel": "OPERATING EXPENSES:" } } }, "localname": "OperatingExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net result for the period of deducting operating expenses from operating revenues.", "label": "Operating Income (Loss)", "totalLabel": "INCOME FROM OPERATIONS" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseCost": { "auth_ref": [ "r410", "r419" ], "calculation": { "http://www.asburyauto.com/role/LeasesCostDetails": { "order": 2.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.", "label": "Operating Lease, Cost", "terseLabel": "Operating lease cost" } } }, "localname": "OperatingLeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Lessee, Operating Lease, Liability, Payment, Due [Abstract]", "terseLabel": "Lessee, Operating Lease, Liability, Payment, Due [Abstract]" } } }, "localname": "OperatingLeaseLiabilitiesPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeaseLiability": { "auth_ref": [ "r404" ], "calculation": { "http://www.asburyauto.com/role/LeasesLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/LeasesLiabilitiesDetailsCalc2": { "order": 2.0, "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease.", "label": "Operating Lease, Liability", "terseLabel": "Operating lease, liability", "totalLabel": "Present value of future minimum lease payments" } } }, "localname": "OperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLiabilitiesDetails", "http://www.asburyauto.com/role/LeasesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityCurrent": { "auth_ref": [ "r404" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 }, "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 1.0, "parentTag": "abg_LeasesLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.", "label": "Operating Lease, Liability, Current", "netLabel": "Liabilities, Current, Operating", "terseLabel": "Current maturities of operating leases" } } }, "localname": "OperatingLeaseLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLiabilityNoncurrent": { "auth_ref": [ "r404" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 }, "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 3.0, "parentTag": "abg_LeasesLiability", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.", "label": "Operating Lease, Liability, Noncurrent", "netLabel": "Liabilities, Non-Current, Operating", "terseLabel": "LONG-TERM LEASE LIABILITY" } } }, "localname": "OperatingLeaseLiabilityNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasePayments": { "auth_ref": [ "r408", "r413" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.", "label": "Operating Lease, Payments", "terseLabel": "Operating cash flows from operating leases" } } }, "localname": "OperatingLeasePayments", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesOtherInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseRightOfUseAsset": { "auth_ref": [ "r403" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_Assets", "weight": 1.0 }, "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails": { "order": 1.0, "parentTag": "abg_LeasesRightofUseAsset", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of lessee's right to use underlying asset under operating lease.", "label": "Operating Lease, Right-of-Use Asset", "netLabel": "Operating lease right-of-use assets", "terseLabel": "OPERATING LEASE RIGHT-OF-USE ASSETS", "verboseLabel": "Operating lease, right-of-use asset" } } }, "localname": "OperatingLeaseRightOfUseAsset", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/LeasesBalanceSheetsDetails", "http://www.asburyauto.com/role/LeasesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": { "auth_ref": [ "r416", "r419" ], "lang": { "en-US": { "role": { "documentation": "Weighted average discount rate for operating lease calculated at point in time.", "label": "Operating Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Weighted Average Discount Rate - Operating Leases" } } }, "localname": "OperatingLeaseWeightedAverageDiscountRatePercent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLeaseTermAndDiscountRateDetails" ], "xbrltype": "percentItemType" }, "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": { "auth_ref": [ "r415", "r419" ], "lang": { "en-US": { "role": { "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Operating Lease, Weighted Average Remaining Lease Term", "terseLabel": "Weighted Average Lease Term - Operating Leases" } } }, "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesLeaseTermAndDiscountRateDetails" ], "xbrltype": "durationItemType" }, "us-gaap_OperatingLeasedAssetsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Operating Leased Assets [Line Items]", "terseLabel": "Operating Leased Assets [Line Items]" } } }, "localname": "OperatingLeasedAssetsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDue": { "auth_ref": [ "r393", "r398" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.", "label": "Operating Leases, Future Minimum Payments Due", "totalLabel": "Total minimum lease payments" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]", "terseLabel": "Operating" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent": { "auth_ref": [ "r393", "r398" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months", "terseLabel": "2019" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears": { "auth_ref": [ "r393", "r398" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 5.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Five Years", "terseLabel": "2023" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFiveYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears": { "auth_ref": [ "r393", "r398" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Four Years", "terseLabel": "2022" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInFourYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears": { "auth_ref": [ "r393", "r398" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Three Years", "terseLabel": "2021" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInThreeYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears": { "auth_ref": [ "r393", "r398" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due in Two Years", "terseLabel": "2020" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueInTwoYears", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter": { "auth_ref": [ "r393", "r398" ], "calculation": { "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails": { "order": 6.0, "parentTag": "us-gaap_OperatingLeasesFutureMinimumPaymentsDue", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.", "label": "Operating Leases, Future Minimum Payments, Due Thereafter", "terseLabel": "Thereafter" } } }, "localname": "OperatingLeasesFutureMinimumPaymentsDueThereafter", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsScheduleOfMinimumLeasePaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLossCarryforwardsLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Operating Loss Carryforwards [Line Items]", "terseLabel": "Operating Loss Carryforwards [Line Items]" } } }, "localname": "OperatingLossCarryforwardsLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLossCarryforwardsTable": { "auth_ref": [ "r316" ], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.", "label": "Operating Loss Carryforwards [Table]", "terseLabel": "Operating Loss Carryforwards [Table]" } } }, "localname": "OperatingLossCarryforwardsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OtherAccruedLiabilitiesCurrent": { "auth_ref": [ "r25", "r26", "r27", "r59" ], "calculation": { "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails": { "order": 8.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.", "label": "Other Accrued Liabilities, Current", "terseLabel": "Other" } } }, "localname": "OtherAccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAccruedLiabilitiesNoncurrent": { "auth_ref": [ "r64" ], "calculation": { "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails": { "order": 4.0, "parentTag": "us-gaap_OtherLiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer.", "label": "Other Accrued Liabilities, Noncurrent", "terseLabel": "Other" } } }, "localname": "OtherAccruedLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Assets [Abstract]" } } }, "localname": "OtherAssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OtherAssetsCurrent": { "auth_ref": [ "r72" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://www.asburyauto.com/role/OtherCurrentAssetsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of current assets classified as other.", "label": "Other Assets, Current", "terseLabel": "Other current assets", "totalLabel": "Other current assets" } } }, "localname": "OtherAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/OtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsMember": { "auth_ref": [ "r363", "r375" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing other assets.", "label": "Other Assets [Member]", "terseLabel": "Other Assets" } } }, "localname": "OtherAssetsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherAssetsMiscellaneousCurrent": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/OtherCurrentAssetsDetails": { "order": 4.0, "parentTag": "us-gaap_OtherAssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer.", "label": "Other Assets, Miscellaneous, Current", "terseLabel": "Other" } } }, "localname": "OtherAssetsMiscellaneousCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsNoncurrent": { "auth_ref": [ "r54" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncurrent assets classified as other.", "label": "Other Assets, Noncurrent", "verboseLabel": "OTHER LONG-TERM ASSETS" } } }, "localname": "OtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent": { "auth_ref": [ "r346", "r347", "r349" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.", "label": "Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent", "negatedTerseLabel": "Income tax benefit (expense) associated with cash flow swaps" } } }, "localname": "OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]", "terseLabel": "Other comprehensive income (loss):" } } }, "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome" ], "xbrltype": "stringItemType" }, "us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax": { "auth_ref": [ "r74", "r76", "r377" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome": { "order": 3.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax", "terseLabel": "Change in fair value of cash flow swaps", "verboseLabel": "Results Recognized in AOCI (Effective Portion)" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfComprehensiveIncome", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueScheduleOfDerivativeInstrumentsEffectOnConsolidatedIncomeStatementIncludingAccumulatedOtherComprehensiveIncomeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax": { "auth_ref": [ "r74", "r76", "r377" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity": { "order": 2.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax", "terseLabel": "Change in fair value of cash flow swaps, net of reclassification adjustment" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax": { "auth_ref": [ "r74", "r77" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).", "label": "Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax", "negatedTerseLabel": "Change in fair value of cash flow swaps, tax" } } }, "localname": "OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquityParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherCurrentAssetsMember": { "auth_ref": [ "r363", "r375" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing other current assets.", "label": "Other Current Assets [Member]", "terseLabel": "Other current assets" } } }, "localname": "OtherCurrentAssetsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherCurrentAssetsTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for other current assets.", "label": "Other Current Assets [Text Block]", "terseLabel": "OTHER CURRENT ASSETS" } } }, "localname": "OtherCurrentAssetsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherCurrentAssets" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherExpensesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Expenses [Abstract]", "terseLabel": "OTHER EXPENSES (INCOME):" } } }, "localname": "OtherExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "stringItemType" }, "us-gaap_OtherLiabilitiesDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Other Liabilities Disclosure [Abstract]" } } }, "localname": "OtherLiabilitiesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_OtherLiabilitiesDisclosureTextBlock": { "auth_ref": [ "r60" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for other liabilities.", "label": "Other Liabilities Disclosure [Text Block]", "terseLabel": "OTHER LONG-TERM LIABILITIES" } } }, "localname": "OtherLiabilitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherLongTermLiabilities" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherLiabilitiesMember": { "auth_ref": [ "r363", "r375" ], "lang": { "en-US": { "role": { "documentation": "Primary financial statement caption encompassing other liabilities.", "label": "Other Liabilities [Member]", "terseLabel": "Other Liabilities" } } }, "localname": "OtherLiabilitiesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_OtherLiabilitiesNoncurrent": { "auth_ref": [ "r64" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 }, "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.", "label": "Other Liabilities, Noncurrent", "terseLabel": "OTHER LONG-TERM LIABILITIES", "totalLabel": "Other long-term liabilities" } } }, "localname": "OtherLiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/OtherLongTermLiabilitiesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherNoncashIncomeExpense": { "auth_ref": [ "r112" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 }, "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.", "label": "Other Noncash Income (Expense)", "negatedTerseLabel": "Other adjustments, net", "negatedTotalLabel": "Other adjustments, net" } } }, "localname": "OtherNoncashIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.asburyauto.com/role/SupplementalCashFlowInformationScheduleOfOtherAdjustmentsToReconcileNetIncomeToCashFlowFromOperatingActivitiesDetailsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherOperatingIncomeExpenseNet": { "auth_ref": [], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 4.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.", "label": "Other Operating Income (Expense), Net", "negatedTerseLabel": "Other operating expenses (income), net" } } }, "localname": "OtherOperatingIncomeExpenseNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_PayablesAndAccrualsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Payables and Accruals [Abstract]" } } }, "localname": "PayablesAndAccrualsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_PaymentsForRepurchaseOfCommonStock": { "auth_ref": [ "r103" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow to reacquire common stock during the period.", "label": "Payments for Repurchase of Common Stock", "negatedLabel": "Repurchases of common stock, including amounts associated with net share settlements of employee share-based awards" } } }, "localname": "PaymentsForRepurchaseOfCommonStock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfDebtIssuanceCosts": { "auth_ref": [ "r105" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.", "label": "Payments of Debt Issuance Costs", "negatedLabel": "Payment of debt issuance costs" } } }, "localname": "PaymentsOfDebtIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireBusinessesGross": { "auth_ref": [ "r100", "r340" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.", "label": "Payments to Acquire Businesses, Gross", "terseLabel": "Cash paid for acquisition" } } }, "localname": "PaymentsToAcquireBusinessesGross", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired": { "auth_ref": [ "r100" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.", "label": "Payments to Acquire Businesses, Net of Cash Acquired", "negatedTerseLabel": "Acquisitions" } } }, "localname": "PaymentsToAcquireBusinessesNetOfCashAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment": { "auth_ref": [ "r101" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of cash outflow from the acquisition of or improvements to long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.", "label": "Payments to Acquire Other Property, Plant, and Equipment", "negatedTerseLabel": "Purchases of previously leased real estate", "terseLabel": "Purchases of previously leased real estate" } } }, "localname": "PaymentsToAcquireOtherPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows", "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": { "auth_ref": [ "r101" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.", "label": "Payments to Acquire Property, Plant, and Equipment", "negatedLabel": "Capital expenditures\u2014excluding real estate" } } }, "localname": "PaymentsToAcquirePropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquireRealEstate": { "auth_ref": [ "r101" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.", "label": "Payments to Acquire Real Estate", "negatedTerseLabel": "Capital expenditures\u2014real estate" } } }, "localname": "PaymentsToAcquireRealEstate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PerformanceSharesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Share-based payment arrangement awarded for meeting performance target.", "label": "Performance Shares [Member]", "terseLabel": "Performance Share Units" } } }, "localname": "PerformanceSharesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PlanNameAxis": { "auth_ref": [ "r269", "r284" ], "lang": { "en-US": { "role": { "documentation": "Information by plan name for share-based payment arrangement.", "label": "Plan Name [Axis]", "terseLabel": "Plan Name [Axis]" } } }, "localname": "PlanNameAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PlanNameDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Plan name for share-based payment arrangement.", "label": "Plan Name [Domain]", "terseLabel": "Plan Name [Domain]" } } }, "localname": "PlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PledgedAssetsNotSeparatelyReportedRealEstate": { "auth_ref": [ "r426" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.", "label": "Pledged Assets, Not Separately Reported, Real Estate", "terseLabel": "Carrying Value of Collateralized Related Real Estate" } } }, "localname": "PledgedAssetsNotSeparatelyReportedRealEstate", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtScheduleOfMortgageNotesPayableDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r38" ], "lang": { "en-US": { "role": { "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.", "label": "Preferred Stock, Par or Stated Value Per Share", "terseLabel": "Preferred stock, par value (in dollars per share)" } } }, "localname": "PreferredStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r38" ], "lang": { "en-US": { "role": { "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.", "label": "Preferred Stock, Shares Authorized", "terseLabel": "Preferred stock, shares authorized (in shares)" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r38" ], "lang": { "en-US": { "role": { "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.", "label": "Preferred Stock, Shares Issued", "terseLabel": "Preferred stock, shares issued (in shares)" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesOutstanding": { "auth_ref": [ "r38" ], "lang": { "en-US": { "role": { "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.", "label": "Preferred Stock, Shares Outstanding", "terseLabel": "Preferred stock, shares outstanding (in shares)" } } }, "localname": "PreferredStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockValue": { "auth_ref": [ "r38" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.", "label": "Preferred Stock, Value, Issued", "terseLabel": "Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued or outstanding" } } }, "localname": "PreferredStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpenseCurrent": { "auth_ref": [ "r20", "r23", "r185" ], "calculation": { "http://www.asburyauto.com/role/OtherCurrentAssetsDetails": { "order": 3.0, "parentTag": "us-gaap_OtherAssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.", "label": "Prepaid Expense, Current", "terseLabel": "Prepaid expenses" } } }, "localname": "PrepaidExpenseCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidTaxes": { "auth_ref": [ "r21", "r23", "r184", "r185" ], "calculation": { "http://www.asburyauto.com/role/OtherCurrentAssetsDetails": { "order": 2.0, "parentTag": "us-gaap_OtherAssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.", "label": "Prepaid Taxes", "terseLabel": "Prepaid taxes" } } }, "localname": "PrepaidTaxes", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails", "http://www.asburyauto.com/role/OtherCurrentAssetsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromDivestitureOfBusinesses": { "auth_ref": [ "r98" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.", "label": "Proceeds from Divestiture of Businesses", "terseLabel": "Divestitures", "verboseLabel": "Proceeds from divestiture" } } }, "localname": "ProceedsFromDivestitureOfBusinesses", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresDivestituresNarrativeDetails", "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfDebt": { "auth_ref": [ "r102" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.", "label": "Proceeds from Issuance of Debt", "terseLabel": "Proceeds from issuance of debt" } } }, "localname": "ProceedsFromIssuanceOfDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfLongTermDebt": { "auth_ref": [ "r102" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.", "label": "Proceeds from Issuance of Long-term Debt", "terseLabel": "Proceeds from borrowings" } } }, "localname": "ProceedsFromIssuanceOfLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromSaleOfProductiveAssets": { "auth_ref": [ "r99" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.", "label": "Proceeds from Sale of Productive Assets", "terseLabel": "Proceeds from the sale of assets" } } }, "localname": "ProceedsFromSaleOfProductiveAssets", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Property, Plant and Equipment [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r53", "r207" ], "lang": { "en-US": { "role": { "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.", "label": "Property, Plant and Equipment, Type [Axis]", "terseLabel": "Property, Plant and Equipment, Type [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "auth_ref": [ "r214" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.", "label": "Property, Plant and Equipment Disclosure [Text Block]", "terseLabel": "PROPERTY AND EQUIPMENT, NET" } } }, "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/PropertyAndEquipmentNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Property, Plant and Equipment [Line Items]", "terseLabel": "Property, Plant and Equipment [Line Items]" } } }, "localname": "PropertyPlantAndEquipmentLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentNet": { "auth_ref": [ "r30", "r31", "r207", "r450" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Net", "terseLabel": "PROPERTY AND EQUIPMENT, net", "verboseLabel": "Property, plant and equipment, net" } } }, "localname": "PropertyPlantAndEquipmentNet", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails", "http://www.asburyauto.com/role/ConsolidatedBalanceSheets", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": { "auth_ref": [ "r52", "r118", "r207" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, basis of assets, depreciation and depletion methods used, including composite deprecation, estimated useful lives, capitalization policy, accounting treatment for costs incurred for repairs and maintenance, capitalized interest and the method it is calculated, disposals and impairments.", "label": "Property, Plant and Equipment, Policy [Policy Text Block]", "terseLabel": "Property and Equipment" } } }, "localname": "PropertyPlantAndEquipmentPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "auth_ref": [ "r30", "r207" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table Text Block]", "terseLabel": "Schedule of Estimated Useful Lives", "verboseLabel": "Property, Plant and Equipment" } } }, "localname": "PropertyPlantAndEquipmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables", "http://www.asburyauto.com/role/PropertyAndEquipmentNetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r30", "r206" ], "lang": { "en-US": { "role": { "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.", "label": "Property, Plant and Equipment, Type [Domain]", "terseLabel": "Property, Plant and Equipment, Type [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PropertyPlantAndEquipmentUsefulLife": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.", "label": "Property, Plant and Equipment, Useful Life", "terseLabel": "Estimated useful life (in years)" } } }, "localname": "PropertyPlantAndEquipmentUsefulLife", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails" ], "xbrltype": "durationItemType" }, "us-gaap_QuarterlyFinancialInformationDisclosureAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Quarterly Financial Information Disclosure [Abstract]" } } }, "localname": "QuarterlyFinancialInformationDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_QuarterlyFinancialInformationTextBlock": { "auth_ref": [ "r151" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information.", "label": "Quarterly Financial Information [Text Block]", "terseLabel": "CONDENSED QUARTERLY REVENUES AND EARNINGS (UNAUDITED)" } } }, "localname": "QuarterlyFinancialInformationTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnaudited" ], "xbrltype": "textBlockItemType" }, "us-gaap_RealEstateHeldforsale": { "auth_ref": [ "r452" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.", "label": "Real Estate Held-for-sale", "terseLabel": "Real estate held-for-sale" } } }, "localname": "RealEstateHeldforsale", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ReceivableTypeDomain": { "auth_ref": [ "r69" ], "lang": { "en-US": { "role": { "documentation": "Financing arrangement representing a contractual right to receive money either on demand or on fixed and determinable dates.", "label": "Receivable [Domain]", "terseLabel": "Receivable [Domain]" } } }, "localname": "ReceivableTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ReceivablesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Receivables [Abstract]" } } }, "localname": "ReceivablesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_ReceivablesNetCurrent": { "auth_ref": [ "r40", "r47", "r449", "r459" ], "calculation": { "http://www.asburyauto.com/role/AccountsReceivableDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.", "label": "Receivables, Net, Current", "totalLabel": "Accounts receivable, net", "verboseLabel": "Accounts receivable, net" } } }, "localname": "ReceivablesNetCurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails", "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfSecuredDebt": { "auth_ref": [ "r104" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.", "label": "Repayments of Secured Debt", "negatedLabel": "Repayments of borrowings" } } }, "localname": "RepaymentsOfSecuredDebt", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedStockMember": { "auth_ref": [ "r145" ], "lang": { "en-US": { "role": { "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met.", "label": "Restricted Stock [Member]", "terseLabel": "Restricted Stock Awards" } } }, "localname": "RestrictedStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r42", "r240", "r447" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings (Accumulated Deficit)", "terseLabel": "Retained earnings" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Retained Earnings" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenue from Contract with Customer [Abstract]" } } }, "localname": "RevenueFromContractWithCustomerAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": { "auth_ref": [ "r248", "r249" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.", "label": "Revenue from Contract with Customer, Excluding Assessed Tax", "terseLabel": "Total revenue" } } }, "localname": "RevenueFromContractWithCustomerExcludingAssessedTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax": { "auth_ref": [ "r248", "r249" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 4.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.", "label": "Revenue from Contract with Customer, Including Assessed Tax", "terseLabel": "Parts and service" } } }, "localname": "RevenueFromContractWithCustomerIncludingAssessedTax", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": { "auth_ref": [ "r119", "r254" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for revenue from contract with customer.", "label": "Revenue from Contract with Customer [Policy Text Block]", "terseLabel": "Revenue Recognition" } } }, "localname": "RevenueFromContractWithCustomerPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_RevenueFromContractWithCustomerTextBlock": { "auth_ref": [ "r254" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.", "label": "Revenue from Contract with Customer [Text Block]", "terseLabel": "REVENUE RECOGNITION" } } }, "localname": "RevenueFromContractWithCustomerTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognition" ], "xbrltype": "textBlockItemType" }, "us-gaap_Revenues": { "auth_ref": [ "r88", "r162", "r163", "r169" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 1.0, "parentTag": "us-gaap_GrossProfit", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).", "label": "Revenues", "terseLabel": "Revenues", "totalLabel": "TOTAL REVENUE" } } }, "localname": "Revenues", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedDetails", "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenuesAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Revenues [Abstract]", "terseLabel": "REVENUE:" } } }, "localname": "RevenuesAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "stringItemType" }, "us-gaap_RevolvingCreditFacilityMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount.", "label": "Revolving Credit Facility [Member]", "terseLabel": "Revolving Credit Facility" } } }, "localname": "RevolvingCreditFacilityMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability": { "auth_ref": [ "r414", "r419" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for finance lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Finance Lease Liability", "terseLabel": "Right-of-use assets obtained in exchange for new finance lease liabilities" } } }, "localname": "RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesOtherInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": { "auth_ref": [ "r414", "r419" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability.", "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability", "terseLabel": "Right-of-use assets obtained in exchange for new operating lease liabilities" } } }, "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesOtherInformationDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable": { "auth_ref": [ "r69" ], "lang": { "en-US": { "role": { "documentation": "Schedule itemizing specific types of trade accounts and notes receivable, and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]", "terseLabel": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]" } } }, "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": { "auth_ref": [ "r69" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]", "terseLabel": "Schedule of Accounts Receivable" } } }, "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsReceivableAccountsReceivableTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses.", "label": "Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]", "terseLabel": "Schedule of Accounts Payable and Accrued Liabilities" } } }, "localname": "ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AccountsPayableAndAccruedLiabilitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable": { "auth_ref": [ "r331", "r332" ], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting each material business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities.", "label": "Schedule of Business Acquisitions, by Acquisition [Table]", "terseLabel": "Schedule of Business Acquisitions, by Acquisition [Table]" } } }, "localname": "ScheduleOfBusinessAcquisitionsByAcquisitionTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails", "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock": { "auth_ref": [ "r331", "r332" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts.", "label": "Schedule of Business Acquisitions, by Acquisition [Table Text Block]", "terseLabel": "Schedule of Business Acquisitions" } } }, "localname": "ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "auth_ref": [ "r368" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings.", "label": "Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "terseLabel": "Schedule of Derivative Instruments Effect on Accumulated Other Comprehensive Income" } } }, "localname": "ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of supplemental cash flow information for the periods presented.", "label": "Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]", "terseLabel": "Schedule of Cash Flow, Supplemental Disclosures" } } }, "localname": "ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesTables", "http://www.asburyauto.com/role/SupplementalCashFlowInformationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock": { "auth_ref": [ "r323" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.", "label": "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]", "terseLabel": "Schedule of Components of Income Tax Expense" } } }, "localname": "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDebtInstrumentsTextBlock": { "auth_ref": [ "r63", "r122", "r236", "r237", "r238", "r239", "r389", "r390", "r392", "r439" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.", "label": "Schedule of Long-term Debt Instruments [Table Text Block]", "terseLabel": "Schedule of Long-term Debt" } } }, "localname": "ScheduleOfDebtInstrumentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LongTermDebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "auth_ref": [ "r314" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.", "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]", "terseLabel": "Schedule of Deferred Tax Assets and Liabilities" } } }, "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock": { "auth_ref": [ "r367" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.", "label": "Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]", "terseLabel": "Schedule of Derivative Instruments Fair Value" } } }, "localname": "ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [ "r307" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "terseLabel": "Reconciliation of the Statutory Federal Rate to the Effective Rate" } } }, "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock": { "auth_ref": [ "r399" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.", "label": "Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]", "terseLabel": "Schedule of Future Minimum Payments for Operating Leases" } } }, "localname": "ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable": { "auth_ref": [ "r196", "r198" ], "lang": { "en-US": { "role": { "documentation": "Schedule of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity.", "label": "Schedule of Indefinite-Lived Intangible Assets [Table]", "terseLabel": "Schedule of Indefinite-Lived Intangible Assets [Table]" } } }, "localname": "ScheduleOfIndefiniteLivedIntangibleAssetsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsFranchiseRightsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock": { "auth_ref": [ "r192" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.", "label": "Schedule of Intangible Assets and Goodwill [Table Text Block]", "terseLabel": "Schedule of Goodwill and Intangibles" } } }, "localname": "ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/GoodwillAndIntangibleFranchiseRightsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfInventoryCurrentTableTextBlock": { "auth_ref": [ "r28", "r48", "r49", "r50" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.", "label": "Schedule of Inventory, Current [Table Text Block]", "terseLabel": "Schedule of Inventory" } } }, "localname": "ScheduleOfInventoryCurrentTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/InventoriesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfLongLivedAssetsHeldForSaleTable": { "auth_ref": [ "r6", "r212" ], "lang": { "en-US": { "role": { "documentation": "Description and amounts of long lived assets held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets held for sale, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss).", "label": "Schedule of Long Lived Assets Held-for-sale [Table]", "terseLabel": "Schedule of Long Lived Assets Held-for-sale [Table]" } } }, "localname": "ScheduleOfLongLivedAssetsHeldForSaleTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AssetsHeldForSaleNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock": { "auth_ref": [ "r275" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the changes in outstanding nonvested performance-based units.", "label": "Schedule of Nonvested Performance-based Units Activity [Table Text Block]", "terseLabel": "Schedule of Performance Share Units" } } }, "localname": "ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfOperatingLeasedAssetsTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule of long-lived, depreciable assets that are subject to a operating lease agreements and are used in the normal conduct of business to produce goods and services. Examples may include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.", "label": "Schedule of Operating Leased Assets [Table]", "terseLabel": "Schedule of Operating Leased Assets [Table]" } } }, "localname": "ScheduleOfOperatingLeasedAssetsTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeaseObligationsNarrativeDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfOtherCurrentAssetsTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of the carrying amounts of other current assets.", "label": "Schedule of Other Current Assets [Table Text Block]", "terseLabel": "Schedule of Other Current Assets" } } }, "localname": "ScheduleOfOtherCurrentAssetsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/OtherCurrentAssetsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r53", "r207" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.", "label": "Property, Plant and Equipment [Table]", "terseLabel": "Schedule of Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesScheduleOfPropertyAndEquipmentUsefulLivesDetails", "http://www.asburyauto.com/role/PropertyAndEquipmentNetScheduleOfPropertyAndEquipmentNetDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock": { "auth_ref": [ "r150" ], "lang": { "en-US": { "role": { "documentation": "Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.", "label": "Quarterly Financial Information [Table Text Block]", "terseLabel": "Schedule of Quarterly Financial Information" } } }, "localname": "ScheduleOfQuarterlyFinancialInformationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedQuarterlyRevenuesAndEarningsUnauditedTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": { "auth_ref": [ "r161", "r166", "r167", "r168", "r192" ], "lang": { "en-US": { "role": { "documentation": "A table disclosing the profit or loss and total assets for each reportable segment of the entity. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.", "label": "Schedule of Segment Reporting Information, by Segment [Table]", "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]" } } }, "localname": "ScheduleOfSegmentReportingInformationBySegmentTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r269", "r284" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of information about share-based payment arrangement.", "label": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]", "terseLabel": "Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.", "label": "Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]", "terseLabel": "Schedule of Restricted Stock" } } }, "localname": "ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_SegmentDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Segments [Domain]", "terseLabel": "Segments [Domain]" } } }, "localname": "SegmentDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails", "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SegmentReportingInformationLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Segment Reporting Information [Line Items]", "terseLabel": "Segment Reporting Information [Line Items]" } } }, "localname": "SegmentReportingInformationLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingPolicyPolicyTextBlock": { "auth_ref": [ "r118" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for segment reporting.", "label": "Segment Reporting, Policy [Policy Text Block]", "terseLabel": "Segment Reporting" } } }, "localname": "SegmentReportingPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SellingGeneralAndAdministrativeExpense": { "auth_ref": [ "r96", "r178" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 2.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.", "label": "Selling, General and Administrative Expense", "terseLabel": "Selling, general, and administrative" } } }, "localname": "SellingGeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "monetaryItemType" }, "us-gaap_SeniorSubordinatedNotesMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A senior subordinated note is a bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior subordinated debt holders receive priority for [must receive] repayment [prior] relative to junior and unsecured (general) creditors. However senior subordinated notes are junior to Senior Notes and Senior bond holders.", "label": "Senior Subordinated Notes [Member]", "terseLabel": "Senior Subordinated Notes" } } }, "localname": "SeniorSubordinatedNotesMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/FinancialInstrumentsAndFairValueSummaryOfCarryingValuesAndFairValuesOfDebtDetails", "http://www.asburyauto.com/role/LongTermDebt60SeniorSubordinatedNotesDue2024Details", "http://www.asburyauto.com/role/LongTermDebtScheduleOfLongTermDebtDetails", "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember": { "auth_ref": [ "r332" ], "lang": { "en-US": { "role": { "documentation": "Represents the aggregation and reporting of combined amounts of individually immaterial business combinations that were completed during the period.", "label": "Series of Individually Immaterial Business Acquisitions [Member]", "terseLabel": "Series of Individually Immaterial Business Acquisitions" } } }, "localname": "SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/AcquisitionsAndDivestituresAcquisitionsNarrativeDetails", "http://www.asburyauto.com/role/AcquisitionsAndDivestituresScheduleOfBusinessAcquisitionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensation": { "auth_ref": [ "r110" ], "calculation": { "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of noncash expense for share-based payment arrangement.", "label": "Share-based Payment Arrangement, Noncash Expense", "terseLabel": "Share-based compensation" } } }, "localname": "ShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/CondensedConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r270" ], "lang": { "en-US": { "role": { "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period", "terseLabel": "Award vesting period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": { "auth_ref": [ "r274" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period", "negatedTerseLabel": "Forfeited (in shares)", "terseLabel": "Number of shares forfeited or repurchased (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": { "auth_ref": [ "r279" ], "lang": { "en-US": { "role": { "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value", "terseLabel": "Forfeited, weighted average grant date fair value (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "auth_ref": [ "r277" ], "lang": { "en-US": { "role": { "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period", "terseLabel": "Granted (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r277" ], "lang": { "en-US": { "role": { "documentation": "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Granted, weighted average grant date fair value (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "auth_ref": [ "r276" ], "lang": { "en-US": { "role": { "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "periodEndLabel": "Outsanding, ending balance (in shares)", "periodStartLabel": "Outsanding, beginning balance (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": { "auth_ref": [ "r276" ], "lang": { "en-US": { "role": { "documentation": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value", "periodEndLabel": "Outstanding, ending balance, weighted average grant date fair value (in dollars per share)", "periodStartLabel": "Outstanding, beginning balance, weighted average grant date fair value (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": { "auth_ref": [ "r278" ], "lang": { "en-US": { "role": { "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period", "negatedTerseLabel": "Vested (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue": { "auth_ref": [ "r281" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value", "terseLabel": "Total fair value of performance share units vested (in millions)", "verboseLabel": "Total fair value of restricted stock awards vested" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r278" ], "lang": { "en-US": { "role": { "documentation": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Vested, weighted average grant date fair value (in dollars per share)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": { "auth_ref": [ "r271" ], "lang": { "en-US": { "role": { "documentation": "Number of shares authorized for issuance under share-based payment arrangement.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized", "terseLabel": "Number of shares authorized (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": { "auth_ref": [ "r284" ], "lang": { "en-US": { "role": { "documentation": "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant", "terseLabel": "Number of shares still available for grant (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r266", "r272" ], "lang": { "en-US": { "role": { "documentation": "Award under share-based payment arrangement.", "label": "Award Type [Domain]", "terseLabel": "Award Type [Domain]" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfPerformanceShareUnitsDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansScheduleOfRestrictedStockDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": { "auth_ref": [ "r118", "r269", "r273" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.", "label": "Share-based Payment Arrangement [Policy Text Block]", "terseLabel": "Share-based Compensation" } } }, "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SharesIssued": { "auth_ref": [ "r235" ], "lang": { "en-US": { "role": { "documentation": "Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.", "label": "Shares, Issued", "periodEndLabel": "Balance (in shares)", "periodStartLabel": "Balance (in shares)" } } }, "localname": "SharesIssued", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.", "label": "Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation", "terseLabel": "Repurchase of common stock associated with net share settlements of employee share-based awards (in shares)" } } }, "localname": "SharesPaidForTaxWithholdingForShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_ShortTermLeaseCost": { "auth_ref": [ "r411", "r419" ], "calculation": { "http://www.asburyauto.com/role/LeasesCostDetails": { "order": 3.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of short-term lease cost, excluding expense for lease with term of one month or less.", "label": "Short-term Lease, Cost", "terseLabel": "Short-term lease cost" } } }, "localname": "ShortTermLeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StandbyLettersOfCreditMember": { "auth_ref": [ "r226", "r229", "r343", "r458" ], "lang": { "en-US": { "role": { "documentation": "An irrevocable undertaking (typically by a financial institution) to guarantee payment of a specified financial obligation.", "label": "Standby Letters of Credit [Member]", "terseLabel": "Standby Letters of Credit" } } }, "localname": "StandbyLettersOfCreditMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_StatementBusinessSegmentsAxis": { "auth_ref": [ "r5", "r166", "r192", "r211", "r215", "r216", "r455" ], "lang": { "en-US": { "role": { "documentation": "Information by business segments.", "label": "Segments [Axis]", "terseLabel": "Segments [Axis]" } } }, "localname": "StatementBusinessSegmentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails", "http://www.asburyauto.com/role/RevenueRecognitionDisaggregationOfRevenueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r68", "r235" ], "lang": { "en-US": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]", "terseLabel": "Equity Components [Axis]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails", "http://www.asburyauto.com/role/ShareBasedCompensationAndEmployeeBenefitPlansShareBasedCompensationDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StatementLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.", "label": "Statement [Line Items]", "terseLabel": "Statement [Line Items]" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Cash Flows [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Financial Position [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Comprehensive Income [Abstract]" } } }, "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Statement of Stockholders' Equity [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed.", "label": "Statement [Table]", "terseLabel": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation": { "auth_ref": [ "r38", "r39", "r235", "r240" ], "lang": { "en-US": { "role": { "documentation": "Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).", "label": "Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture", "terseLabel": "Issuance of common stock in connection with share-based payment arrangements (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation": { "auth_ref": [ "r38", "r39", "r240", "r268", "r280" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).", "label": "Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture", "terseLabel": "Issuance of common stock in connection with share-based payment arrangements" } } }, "localname": "StockIssuedDuringPeriodValueShareBasedCompensation", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockRepurchasedAndRetiredDuringPeriodShares": { "auth_ref": [ "r38", "r39", "r235", "r240" ], "lang": { "en-US": { "role": { "documentation": "Number of shares that have been repurchased and retired during the period.", "label": "Stock Repurchased and Retired During Period, Shares", "negatedTerseLabel": "Retirement of previously repurchased common stock (in shares)" } } }, "localname": "StockRepurchasedAndRetiredDuringPeriodShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockRepurchasedAndRetiredDuringPeriodValue": { "auth_ref": [ "r38", "r39", "r235", "r240" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).", "label": "Stock Repurchased and Retired During Period, Value", "negatedTerseLabel": "Retirement of previously repurchased common stock", "terseLabel": "Retirement of previously repurchased common stock" } } }, "localname": "StockRepurchasedAndRetiredDuringPeriodValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r39", "r43", "r44", "r175" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.", "label": "Stockholders' Equity Attributable to Parent", "totalLabel": "Total shareholders' equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "SHAREHOLDERS' EQUITY:" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": { "auth_ref": [ "r344", "r345", "r352" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.", "label": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest", "periodEndLabel": "Balance", "periodStartLabel": "Balance" } } }, "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_SubsegmentsAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by business subsegments.", "label": "Subsegments [Axis]", "terseLabel": "Subsegments [Axis]" } } }, "localname": "SubsegmentsAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsegmentsDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Divisions of a component of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity.", "label": "Subsegments [Domain]", "terseLabel": "Subsegments [Domain]" } } }, "localname": "SubsegmentsDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/RevenueRecognitionContractAssetsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventLineItems": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.", "label": "Subsequent Event [Line Items]", "terseLabel": "Subsequent Event [Line Items]" } } }, "localname": "SubsequentEventLineItems", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event [Member]", "terseLabel": "Subsequent Event" } } }, "localname": "SubsequentEventMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r421" ], "lang": { "en-US": { "role": { "documentation": "Discloses pertinent information about one or more significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued.", "label": "Subsequent Event [Table]", "terseLabel": "Subsequent Event [Table]" } } }, "localname": "SubsequentEventTable", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r421" ], "lang": { "en-US": { "role": { "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Axis]", "terseLabel": "Subsequent Event Type [Axis]" } } }, "localname": "SubsequentEventTypeAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r421" ], "lang": { "en-US": { "role": { "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Domain]", "terseLabel": "Subsequent Event Type [Domain]" } } }, "localname": "SubsequentEventTypeDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r423" ], "lang": { "en-US": { "role": { "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.", "label": "Subsequent Events [Text Block]", "terseLabel": "SUBSEQUENT EVENTS" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/SubsequentEvents" ], "xbrltype": "textBlockItemType" }, "us-gaap_SupplementalCashFlowElementsAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Supplemental Cash Flow Elements [Abstract]" } } }, "localname": "SupplementalCashFlowElementsAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Supplemental Cash Flow Information [Abstract]" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "xbrltype": "stringItemType" }, "us-gaap_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect": { "auth_ref": [ "r78" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act.", "label": "Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect", "terseLabel": "Tax Cuts and Jobs Act, reclassification from AOCI to retained earnings" } } }, "localname": "TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TaxesPayableCurrentAndNoncurrent": { "auth_ref": [ "r33", "r429", "r445" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.", "label": "Taxes Payable", "terseLabel": "Taxes payable" } } }, "localname": "TaxesPayableCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_TreasuryStockMember": { "auth_ref": [ "r67", "r241" ], "lang": { "en-US": { "role": { "documentation": "Shares of an entity that have been repurchased by the entity. This stock has no voting rights and receives no dividends. Note that treasury stock may be recorded at its total cost or separately as par (or stated) value and additional paid in capital. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer.", "label": "Treasury Stock [Member]", "terseLabel": "Treasury Stock" } } }, "localname": "TreasuryStockMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_TreasuryStockShares": { "auth_ref": [ "r67", "r241" ], "lang": { "en-US": { "role": { "documentation": "Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.", "label": "Treasury Stock, Shares", "terseLabel": "Treasury stock, shares (in shares)" } } }, "localname": "TreasuryStockShares", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockSharesAcquired": { "auth_ref": [ "r39", "r235", "r240" ], "lang": { "en-US": { "role": { "documentation": "Number of shares that have been repurchased during the period and are being held in treasury.", "label": "Treasury Stock, Shares, Acquired", "terseLabel": "Purchase of treasury shares (in shares)" } } }, "localname": "TreasuryStockSharesAcquired", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_TreasuryStockValue": { "auth_ref": [ "r67", "r241", "r242" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_StockholdersEquity", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.", "label": "Treasury Stock, Value", "negatedLabel": "Treasury stock, at cost; 21,791,707 and 21,719,339 shares, respectively" } } }, "localname": "TreasuryStockValue", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_TreasuryStockValueAcquiredCostMethod": { "auth_ref": [ "r235", "r240", "r241" ], "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.", "label": "Treasury Stock, Value, Acquired, Cost Method", "negatedTerseLabel": "Purchase of treasury shares" } } }, "localname": "TreasuryStockValueAcquiredCostMethod", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_TypeOfAdoptionMember": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Adoption and early adoption of sources of change to generally accepted accounting principles (GAAP) in the United States. The FASB released the FASB Accounting Standards Codification as the authoritative source of literature effective for interim and annual periods ending after September 15, 2009. As part of the Codification process, the FASB issues Accounting Standards Updates to amend the Codification but otherwise the Accounting Standards Updates are not authoritative in their own right. All previous accounting standards (such as FASB Statements of Financial Accounting Standards, FASB Interpretations, FASB Staff Positions, Emerging Issues Task Force Consensuses, other pronouncements of the FASB or other designated bodies, or other forms of GAAP are considered accounting pronouncements) were superseded upon the adoption of the Codification. For an interim period, references to the superseded standards are included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.", "label": "Type of Adoption [Domain]", "terseLabel": "Type of Adoption [Domain]" } } }, "localname": "TypeOfAdoptionMember", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfShareholdersEquity", "http://www.asburyauto.com/role/LeasesNarrativeDetails" ], "xbrltype": "domainItemType" }, "us-gaap_UnrecognizedTaxBenefits": { "auth_ref": [ "r303", "r309" ], "crdr": "credit", "lang": { "en-US": { "role": { "documentation": "Amount of unrecognized tax benefits.", "label": "Unrecognized Tax Benefits", "terseLabel": "Unrecognized tax benefits" } } }, "localname": "UnrecognizedTaxBenefits", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/IncomeTaxesNarrativeDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r152", "r153", "r155", "r156", "r157", "r158", "r159" ], "lang": { "en-US": { "role": { "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.", "label": "Use of Estimates, Policy [Policy Text Block]", "terseLabel": "Use of Estimates" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_VariableLeaseCost": { "auth_ref": [ "r412", "r419" ], "calculation": { "http://www.asburyauto.com/role/LeasesCostDetails": { "order": 4.0, "parentTag": "us-gaap_LeaseCost", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-US": { "role": { "documentation": "Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.", "label": "Variable Lease, Cost", "terseLabel": "Variable lease cost" } } }, "localname": "VariableLeaseCost", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/LeasesCostDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_VariableRateAxis": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Information by type of variable rate.", "label": "Variable Rate [Axis]", "terseLabel": "Variable Rate [Axis]" } } }, "localname": "VariableRateAxis", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_VariableRateDomain": { "auth_ref": [], "lang": { "en-US": { "role": { "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.", "label": "Variable Rate [Domain]", "terseLabel": "Variable Rate [Domain]" } } }, "localname": "VariableRateDomain", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/FloorPlanNotesPayablenonTradeNarrativeDetails", "http://www.asburyauto.com/role/LongTermDebt2013BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2015WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018BofaRealEstateFacilityDetails", "http://www.asburyauto.com/role/LongTermDebt2018WellsFargoMasterLoanFacilityDetails", "http://www.asburyauto.com/role/LongTermDebtRevolvingCreditFacilityAndStockRestrictionsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r133", "r144" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-US": { "role": { "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.", "label": "Weighted Average Number of Shares Outstanding, Diluted", "totalLabel": "Diluted (in shares)" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract": { "auth_ref": [], "lang": { "en-US": { "role": { "label": "Weighted Average Number of Shares Outstanding, Diluted [Abstract]", "terseLabel": "WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingAbstract", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "stringItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r132", "r144" ], "calculation": { "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome": { "order": 1.0, "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0 } }, "lang": { "en-US": { "role": { "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.", "label": "Weighted Average Number of Shares Outstanding, Basic", "terseLabel": "Basic (in shares)" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2019-01-31", "presentation": [ "http://www.asburyauto.com/role/ConsolidatedStatementsOfIncome" ], "xbrltype": "sharesItemType" } }, "unitCount": 16 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759" }, "r1": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3367-108585" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "5A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721671-107760" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r112": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585" }, "r113": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585" }, "r114": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4273-108586" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586" }, "r117": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "230", "URI": "http://asc.fasb.org/topic&trid=2134446" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(e),(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(1)(i))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h)(2))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08.(n))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-09)", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690" }, "r128": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "5B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22694-107794" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794" }, "r132": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1448-109256" }, "r133": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1505-109256" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1252-109256" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "48", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e2538-109256" }, "r136": { "Name": "Accounting Standards Codification", "Paragraph": "55", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e2626-109256" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "59A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780131-109256" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "60A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780132-109256" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256" }, "r14": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)(2)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r140": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780133-109256" }, "r141": { "Name": "Accounting Standards Codification", "Paragraph": "61A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5780137-109256" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "68B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=SL5498026-109256" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256" }, "r144": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r146": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=117327953&loc=d3e4984-109258" }, "r149": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=116846552&loc=d3e543-108305" }, "r15": { "Name": "Accounting Standards Codification", "Paragraph": "5C", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760" }, "r150": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306" }, "r151": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "270", "URI": "http://asc.fasb.org/topic&trid=2126967" }, "r152": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r153": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592" }, "r155": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592" }, "r156": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "http://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "5D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721677-107760" }, "r160": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "http://asc.fasb.org/topic&trid=2134479" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599" }, "r162": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599" }, "r169": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9031-108599" }, "r171": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118952595&loc=d3e4531-111522" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 4.E)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707" }, "r176": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/subtopic&trid=2196772" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "30", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116846819&loc=d3e3927-108312" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4492-108314" }, "r181": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=116847112&loc=d3e4556-108314" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 5.BB)", "Topic": "330", "URI": "http://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729" }, "r183": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "330", "URI": "http://asc.fasb.org/topic&trid=2126998" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "05", "SubTopic": "10", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=68074540&loc=d3e5865-108316" }, "r185": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "05", "SubTopic": "10", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=68074540&loc=d3e5879-108316" }, "r186": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266" }, "r187": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266" }, "r188": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r192": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275" }, "r198": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b),(d)", "Topic": "350", "URI": "http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275" }, "r199": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "350", "URI": "http://asc.fasb.org/topic&trid=2144416" }, "r2": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=d3e957-107759" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "15", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=77912953&loc=d3e400-110220" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2599-110228" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226348&loc=d3e2473-110228" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r207": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r208": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(g)(4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r210": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=SL51724579-110230" }, "r214": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(d))", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747" }, "r217": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14615-108349" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14394-108349" }, "r221": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349" }, "r222": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14453-108349" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14472-108349" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349" }, "r225": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r226": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248" }, "r227": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248" }, "r228": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118943654&loc=d3e12053-110248" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "460", "URI": "http://asc.fasb.org/extlink&oid=118956092&loc=d3e12803-110250" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6787-107765" }, "r230": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870" }, "r233": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870" }, "r234": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644" }, "r236": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644" }, "r237": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6801-107765" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770" }, "r241": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044" }, "r244": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944033&loc=SL49130533-203044" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045" }, "r248": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6911-107765" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045" }, "r251": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r252": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=118944142&loc=SL49130690-203046-203046" }, "r253": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=113356391&loc=SL49131195-203048" }, "r254": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "606", "URI": "http://asc.fasb.org/topic&trid=49130388" }, "r255": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "710", "URI": "http://asc.fasb.org/topic&trid=2127225" }, "r256": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "712", "URI": "http://asc.fasb.org/topic&trid=2197446" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(ii)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r258": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(01)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920" }, "r26": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e6935-107765" }, "r260": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2410-114920" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2417-114920" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118255775&loc=d3e2439-114920" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921" }, "r264": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "715", "URI": "http://asc.fasb.org/topic&trid=2235017" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116855982&loc=d3e4534-113899" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r268": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=118951113&loc=d3e7018-107765" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r272": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a),(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r273": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b),(f)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r274": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r275": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r276": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(i)-(ii)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r279": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(3)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766" }, "r280": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r281": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r282": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901" }, "r285": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79507997-165333" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79507997-165333" }, "r287": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79508013-165333" }, "r288": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79508013-165333" }, "r289": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79508029-165333" }, "r29": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r290": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79508029-165333" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79508043-165333" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79508043-165333" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79508057-165333" }, "r294": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=116863282&loc=SL79508057-165333" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.F)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11149-113907" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=118258462&loc=d3e11178-113907" }, "r298": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "718", "URI": "http://asc.fasb.org/topic&trid=2228938" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "35", "Subparagraph": "(a)", "Topic": "720", "URI": "http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "3B", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222160&loc=SL51721525-107759" }, "r30": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(13))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "35", "Subparagraph": "(b)", "Topic": "720", "URI": "http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848" }, "r301": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117330534&loc=d3e28680-109314" }, "r302": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "25", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=117330534&loc=d3e28680-109314" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "10B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32247-109318" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e32280-109318" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116821951&loc=d3e31931-109318" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "15A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319" }, "r31": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(14))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r310": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32840-109319" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32847-109319" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r32": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(19))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r320": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r321": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I.7)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r326": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.7)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324" }, "r328": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "05", "SubTopic": "30", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=65884525&loc=d3e40913-109327" }, "r329": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "http://asc.fasb.org/topic&trid=2144680" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(20))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r330": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "05", "SubTopic": "10", "Subparagraph": "(a)-(d)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=6909625&loc=d3e227-128457" }, "r331": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463" }, "r332": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463" }, "r333": { "Name": "Accounting Standards Codification", "Paragraph": "37", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464" }, "r334": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472" }, "r335": { "Name": "Accounting Standards Codification", "Paragraph": "31", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=77890550&loc=d3e5419-128473" }, "r336": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "25", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476" }, "r337": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "30", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477" }, "r338": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "30", "SubTopic": "30", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477" }, "r339": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r34": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(22))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(1)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r341": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(2)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r342": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(3)", "Topic": "805", "URI": "http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479" }, "r343": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "15", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116873149&loc=d3e923-111674" }, "r344": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683" }, "r345": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683" }, "r346": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683" }, "r347": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=108774443&loc=SL4569643-111683" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=d3e5614-111684" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(3)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r35": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(24))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c),(3)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684" }, "r351": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684" }, "r352": { "Name": "Accounting Standards Codification", "Paragraph": "4I", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686" }, "r353": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3A-02)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355033-122828" }, "r354": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3A-03)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116822174&loc=d3e355100-122828" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958" }, "r356": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579240-113959" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r359": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(26)(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959" }, "r361": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r366": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r367": { "Name": "Accounting Standards Codification", "Paragraph": "4B", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "4C", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(26)(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r370": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r371": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r372": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624177-113959" }, "r373": { "Name": "Accounting Standards Codification", "Paragraph": "4E", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959" }, "r374": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109980867&loc=d3e41675-113959" }, "r375": { "Name": "Accounting Standards Codification", "Paragraph": "182", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=116861445&loc=SL5629052-113961" }, "r376": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "25", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986" }, "r377": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993" }, "r378": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(c)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994" }, "r379": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "815", "URI": "http://asc.fasb.org/topic&trid=2229140" }, "r38": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r380": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r381": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r382": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258" }, "r384": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258" }, "r385": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "820", "URI": "http://asc.fasb.org/topic&trid=2155941" }, "r386": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13467-108611" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=118260190&loc=d3e13476-108611" }, "r388": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r389": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(Note 3)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902458&loc=d3e39927-112707" }, "r396": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902458&loc=d3e39927-112707" }, "r397": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77913719&loc=d3e40879-112712" }, "r398": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717" }, "r399": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r400": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "840", "URI": "http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737" }, "r401": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "840", "URI": "http://asc.fasb.org/topic&trid=2208923" }, "r402": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=119364159&loc=SL77916155-209984" }, "r403": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r404": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977" }, "r405": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977" }, "r406": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r407": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r408": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977" }, "r409": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r41": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r410": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r411": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r412": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r413": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(1)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r414": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(2)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(3)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r416": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(g)(4)", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r417": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980" }, "r418": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980" }, "r419": { "Name": "Accounting Standards Codification", "Paragraph": "53", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r420": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "SubTopic": "20", "Topic": "842", "URI": "http://asc.fasb.org/subtopic&trid=77888251" }, "r421": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r422": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662" }, "r423": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r424": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r425": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=118948506&loc=d3e107207-111719" }, "r426": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(b)(1)(i)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729" }, "r427": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(11))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r428": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(13))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r429": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(15)(1))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r430": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(15)(2))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r431": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(15)(5))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r432": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(16))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r433": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r434": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.17)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878" }, "r435": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r436": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r437": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.14)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260" }, "r438": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "e", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r439": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823" }, "r44": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(31))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r440": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=108315417&loc=d3e61044-112788" }, "r441": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(15)(b)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r442": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r443": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(12))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r444": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(15)(a))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r445": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(15))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r446": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r447": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r448": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(25))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r449": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(5))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(32))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r450": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r451": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.(a),19)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r452": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.1(f))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910" }, "r453": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(18))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r454": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(19))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116637232&loc=SL114874131-224263" }, "r455": { "Name": "Accounting Standards Codification", "Paragraph": "4H", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438" }, "r456": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r457": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=117419784&loc=SL117783719-158441" }, "r458": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=66023616&loc=SL35737432-115832" }, "r459": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.6-06(3))", "Topic": "946", "URI": "http://asc.fasb.org/extlink&oid=6488278&loc=d3e604059-122996" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r460": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Column G))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r461": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "310", "Subparagraph": "(SX 210.12-29(Footnote 4))", "Topic": "948", "URI": "http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014" }, "r462": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "740", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=6491622&loc=d3e9504-115650" }, "r463": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 2))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024" }, "r464": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b" }, "r465": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-23" }, "r466": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1" }, "r467": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1-" }, "r468": { "Name": "Forms 10-K, 20-F, 40-F", "Number": "240", "Publisher": "SEC", "Section": "15", "Subsection": "d-1" }, "r469": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(4))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r470": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(a)", "Publisher": "SEC", "Section": "303", "Subparagraph": "(5)" }, "r471": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405" }, "r472": { "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "11", "Subsection": "03" }, "r473": { "Footnote": "2", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "28" }, "r474": { "Footnote": "4", "Name": "Regulation S-X (SX)", "Number": "210", "Publisher": "SEC", "Section": "12", "Subsection": "29" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(6)(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(6)(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r50": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(6)(c))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.1)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r53": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.14)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.17)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a),20,24)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(b),22(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19,20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20,24)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.21)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.24)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.25)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.26(c))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29,30)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.3,4)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=d3e1474-107760" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.6(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.6(b))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r72": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.8)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r73": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.9)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r75": { "Name": "Accounting Standards Codification", "Paragraph": "10A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580" }, "r76": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "12A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL116659650-108580" }, "r79": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "3A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721659-107760" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "14A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580" }, "r81": { "Name": "Accounting Standards Codification", "Paragraph": "17B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL34724394-108580" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580" }, "r84": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=118930883&loc=d3e557-108580" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116657188&loc=SL116659661-227067" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(1))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(20))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "4A", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721663-107760" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(21))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(8))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(b)(2))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.1,2)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.2(a),(d))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.2)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.4)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r97": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585" } }, "version": "2.1" }